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Finding the Fourth Proportional to 8,850,705.20, 13,255,062.60 and 8,850,705.20

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Solution

The fourth proportional to 8,850,705.20, 13,255,062.60 and 8,850,705.20 is: 13,255,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850,705.20 : 13,255,062.60 = 8,850,705.20 : x
  2. Step 2: Convert to fraction form
    8,850,705.20/13,255,062.60 = 8,850,705.20/x
  3. Step 3: Cross multiply
    8,850,705.20x = 13,255,062.60 × 8,850,705.20
  4. Step 4: Simplify right side
    8,850,705.20x = 117,316,651,480,145.50
  5. Step 5: Solve for x
    x = 117,316,651,480,145.50/8,850,705.20
  6. Step 6: Final answer
    x = 13,255,062.60

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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.