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Finding the Fourth Proportional to 63,402.84, 87,494.85 and 35,107.92

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Solution

The fourth proportional to 63,402.84, 87,494.85 and 35,107.92 is: 48,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.84 : 87,494.85 = 35,107.92 : x
  2. Step 2: Convert to fraction form
    63,402.84/87,494.85 = 35,107.92/x
  3. Step 3: Cross multiply
    63,402.84x = 87,494.85 × 35,107.92
  4. Step 4: Simplify right side
    63,402.84x = 3,071,762,194.21
  5. Step 5: Solve for x
    x = 3,071,762,194.21/63,402.84
  6. Step 6: Final answer
    x = 48,448.34

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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.