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Finding the Fourth Proportional to 63,248.85, 87,323.67 and 39,410.55

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Solution

The fourth proportional to 63,248.85, 87,323.67 and 39,410.55 is: 54,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,248.85 : 87,323.67 = 39,410.55 : x
  2. Step 2: Convert to fraction form
    63,248.85/87,323.67 = 39,410.55/x
  3. Step 3: Cross multiply
    63,248.85x = 87,323.67 × 39,410.55
  4. Step 4: Simplify right side
    63,248.85x = 3,441,473,862.72
  5. Step 5: Solve for x
    x = 3,441,473,862.72/63,248.85
  6. Step 6: Final answer
    x = 54,411.64

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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.