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Finding the Fourth Proportional to 63,872.64, 95,808.96 and 17,124.30

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Solution

The fourth proportional to 63,872.64, 95,808.96 and 17,124.30 is: 25,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,872.64 : 95,808.96 = 17,124.30 : x
  2. Step 2: Convert to fraction form
    63,872.64/95,808.96 = 17,124.30/x
  3. Step 3: Cross multiply
    63,872.64x = 95,808.96 × 17,124.30
  4. Step 4: Simplify right side
    63,872.64x = 1,640,661,373.73
  5. Step 5: Solve for x
    x = 1,640,661,373.73/63,872.64
  6. Step 6: Final answer
    x = 25,686.45

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1.5x scale

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.