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Finding the Fourth Proportional to 64,753.92, 97,123.86 and 17,373.78

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Solution

The fourth proportional to 64,753.92, 97,123.86 and 17,373.78 is: 26,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,753.92 : 97,123.86 = 17,373.78 : x
  2. Step 2: Convert to fraction form
    64,753.92/97,123.86 = 17,373.78/x
  3. Step 3: Cross multiply
    64,753.92x = 97,123.86 × 17,373.78
  4. Step 4: Simplify right side
    64,753.92x = 1,687,408,576.39
  5. Step 5: Solve for x
    x = 1,687,408,576.39/64,753.92
  6. Step 6: Final answer
    x = 26,058.79

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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.