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Finding the Fourth Proportional to 63,717.53, 87,893.85 and 39,507.44

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Solution

The fourth proportional to 63,717.53, 87,893.85 and 39,507.44 is: 54,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.53 : 87,893.85 = 39,507.44 : x
  2. Step 2: Convert to fraction form
    63,717.53/87,893.85 = 39,507.44/x
  3. Step 3: Cross multiply
    63,717.53x = 87,893.85 × 39,507.44
  4. Step 4: Simplify right side
    63,717.53x = 3,472,460,565.77
  5. Step 5: Solve for x
    x = 3,472,460,565.77/63,717.53
  6. Step 6: Final answer
    x = 54,497.73

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1.5x scale

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.