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Finding the Fourth Proportional to 27,167,712.80, 40,751,569.20 and 24,480,327.20

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Solution

The fourth proportional to 27,167,712.80, 40,751,569.20 and 24,480,327.20 is: 36,720,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167,712.80 : 40,751,569.20 = 24,480,327.20 : x
  2. Step 2: Convert to fraction form
    27,167,712.80/40,751,569.20 = 24,480,327.20/x
  3. Step 3: Cross multiply
    27,167,712.80x = 40,751,569.20 × 24,480,327.20
  4. Step 4: Simplify right side
    27,167,712.80x = 997,611,747,929,442.25
  5. Step 5: Solve for x
    x = 997,611,747,929,442.25/27,167,712.80
  6. Step 6: Final answer
    x = 36,720,490.80

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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.