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Finding the Fourth Proportional to 63,541.67, 87,678.42 and 38,041.92

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Solution

The fourth proportional to 63,541.67, 87,678.42 and 38,041.92 is: 52,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,541.67 : 87,678.42 = 38,041.92 : x
  2. Step 2: Convert to fraction form
    63,541.67/87,678.42 = 38,041.92/x
  3. Step 3: Cross multiply
    63,541.67x = 87,678.42 × 38,041.92
  4. Step 4: Simplify right side
    63,541.67x = 3,335,455,296.71
  5. Step 5: Solve for x
    x = 3,335,455,296.71/63,541.67
  6. Step 6: Final answer
    x = 52,492.41

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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.