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Finding the Fourth Proportional to 63,788.03, 95,681.96 and 21,672.49

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Solution

The fourth proportional to 63,788.03, 95,681.96 and 21,672.49 is: 32,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,788.03 : 95,681.96 = 21,672.49 : x
  2. Step 2: Convert to fraction form
    63,788.03/95,681.96 = 21,672.49/x
  3. Step 3: Cross multiply
    63,788.03x = 95,681.96 × 21,672.49
  4. Step 4: Simplify right side
    63,788.03x = 2,073,665,734.51
  5. Step 5: Solve for x
    x = 2,073,665,734.51/63,788.03
  6. Step 6: Final answer
    x = 32,508.70

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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.