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Finding the Fourth Proportional to 26,581,645.60, 39,872,468.40 and 14,488,410.40

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Solution

The fourth proportional to 26,581,645.60, 39,872,468.40 and 14,488,410.40 is: 21,732,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581,645.60 : 39,872,468.40 = 14,488,410.40 : x
  2. Step 2: Convert to fraction form
    26,581,645.60/39,872,468.40 = 14,488,410.40/x
  3. Step 3: Cross multiply
    26,581,645.60x = 39,872,468.40 × 14,488,410.40
  4. Step 4: Simplify right side
    26,581,645.60x = 577,688,685,840,231.38
  5. Step 5: Solve for x
    x = 577,688,685,840,231.38/26,581,645.60
  6. Step 6: Final answer
    x = 21,732,615.60

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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.