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Finding the Fourth Proportional to 63,657.96, 95,487.21 and 21,538.38

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Solution

The fourth proportional to 63,657.96, 95,487.21 and 21,538.38 is: 32,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,657.96 : 95,487.21 = 21,538.38 : x
  2. Step 2: Convert to fraction form
    63,657.96/95,487.21 = 21,538.38/x
  3. Step 3: Cross multiply
    63,657.96x = 95,487.21 × 21,538.38
  4. Step 4: Simplify right side
    63,657.96x = 2,056,639,814.12
  5. Step 5: Solve for x
    x = 2,056,639,814.12/63,657.96
  6. Step 6: Final answer
    x = 32,307.66

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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.