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Finding the Fourth Proportional to 63,898.00, 88,194.25 and 39,717.20

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Solution

The fourth proportional to 63,898.00, 88,194.25 and 39,717.20 is: 54,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,898.00 : 88,194.25 = 39,717.20 : x
  2. Step 2: Convert to fraction form
    63,898.00/88,194.25 = 39,717.20/x
  3. Step 3: Cross multiply
    63,898.00x = 88,194.25 × 39,717.20
  4. Step 4: Simplify right side
    63,898.00x = 3,502,828,936.23
  5. Step 5: Solve for x
    x = 3,502,828,936.23/63,898.00
  6. Step 6: Final answer
    x = 54,819.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.