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Finding the Fourth Proportional to 63,768.78, 95,656.89 and 19,397.10

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Solution

The fourth proportional to 63,768.78, 95,656.89 and 19,397.10 is: 29,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,768.78 : 95,656.89 = 19,397.10 : x
  2. Step 2: Convert to fraction form
    63,768.78/95,656.89 = 19,397.10/x
  3. Step 3: Cross multiply
    63,768.78x = 95,656.89 × 19,397.10
  4. Step 4: Simplify right side
    63,768.78x = 1,855,466,261.02
  5. Step 5: Solve for x
    x = 1,855,466,261.02/63,768.78
  6. Step 6: Final answer
    x = 29,096.78

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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.