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Finding the Fourth Proportional to 9,841,994.80, 14,762,992.20 and 9,464,081.20

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Solution

The fourth proportional to 9,841,994.80, 14,762,992.20 and 9,464,081.20 is: 14,196,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,994.80 : 14,762,992.20 = 9,464,081.20 : x
  2. Step 2: Convert to fraction form
    9,841,994.80/14,762,992.20 = 9,464,081.20/x
  3. Step 3: Cross multiply
    9,841,994.80x = 14,762,992.20 × 9,464,081.20
  4. Step 4: Simplify right side
    9,841,994.80x = 139,718,156,935,766.62
  5. Step 5: Solve for x
    x = 139,718,156,935,766.62/9,841,994.80
  6. Step 6: Final answer
    x = 14,196,121.80

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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.