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Finding the Fourth Proportional to 63,921.72, 95,841.06 and 26,471.64

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Solution

The fourth proportional to 63,921.72, 95,841.06 and 26,471.64 is: 39,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.72 : 95,841.06 = 26,471.64 : x
  2. Step 2: Convert to fraction form
    63,921.72/95,841.06 = 26,471.64/x
  3. Step 3: Cross multiply
    63,921.72x = 95,841.06 × 26,471.64
  4. Step 4: Simplify right side
    63,921.72x = 2,537,070,037.54
  5. Step 5: Solve for x
    x = 2,537,070,037.54/63,921.72
  6. Step 6: Final answer
    x = 39,690.27

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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.