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Finding the Fourth Proportional to 57,407.00, 86,112.11 and 15,854.00

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Solution

The fourth proportional to 57,407.00, 86,112.11 and 15,854.00 is: 23,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.00 : 86,112.11 = 15,854.00 : x
  2. Step 2: Convert to fraction form
    57,407.00/86,112.11 = 15,854.00/x
  3. Step 3: Cross multiply
    57,407.00x = 86,112.11 × 15,854.00
  4. Step 4: Simplify right side
    57,407.00x = 1,365,221,001.01
  5. Step 5: Solve for x
    x = 1,365,221,001.01/57,407.00
  6. Step 6: Final answer
    x = 23,781.44

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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.