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Finding the Fourth Proportional to 9,789,969.90, 14,684,954.85 and 8,341,301.10

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Solution

The fourth proportional to 9,789,969.90, 14,684,954.85 and 8,341,301.10 is: 12,511,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,969.90 : 14,684,954.85 = 8,341,301.10 : x
  2. Step 2: Convert to fraction form
    9,789,969.90/14,684,954.85 = 8,341,301.10/x
  3. Step 3: Cross multiply
    9,789,969.90x = 14,684,954.85 × 8,341,301.10
  4. Step 4: Simplify right side
    9,789,969.90x = 122,491,630,043,755.33
  5. Step 5: Solve for x
    x = 122,491,630,043,755.33/9,789,969.90
  6. Step 6: Final answer
    x = 12,511,951.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.