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Finding the Fourth Proportional to 36,643,627.60, 54,965,441.40 and 9,720,005.20

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Solution

The fourth proportional to 36,643,627.60, 54,965,441.40 and 9,720,005.20 is: 14,580,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643,627.60 : 54,965,441.40 = 9,720,005.20 : x
  2. Step 2: Convert to fraction form
    36,643,627.60/54,965,441.40 = 9,720,005.20/x
  3. Step 3: Cross multiply
    36,643,627.60x = 54,965,441.40 × 9,720,005.20
  4. Step 4: Simplify right side
    36,643,627.60x = 534,264,376,228,295.25
  5. Step 5: Solve for x
    x = 534,264,376,228,295.25/36,643,627.60
  6. Step 6: Final answer
    x = 14,580,007.80

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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.