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Finding the Fourth Proportional to 63,141.68, 94,591 and 39,458.48

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Solution

The fourth proportional to 63,141.68, 94,591 and 39,458.48 is: 59,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141.68 : 94,591 = 39,458.48 : x
  2. Step 2: Convert to fraction form
    63,141.68/94,591 = 39,458.48/x
  3. Step 3: Cross multiply
    63,141.68x = 94,591 × 39,458.48
  4. Step 4: Simplify right side
    63,141.68x = 3,732,417,081.68
  5. Step 5: Solve for x
    x = 3,732,417,081.68/63,141.68
  6. Step 6: Final answer
    x = 59,111.78

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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.