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Finding the Fourth Proportional to 64,123.27, 88,489.92 and 35,828.98

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Solution

The fourth proportional to 64,123.27, 88,489.92 and 35,828.98 is: 49,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.27 : 88,489.92 = 35,828.98 : x
  2. Step 2: Convert to fraction form
    64,123.27/88,489.92 = 35,828.98/x
  3. Step 3: Cross multiply
    64,123.27x = 88,489.92 × 35,828.98
  4. Step 4: Simplify right side
    64,123.27x = 3,170,503,487.02
  5. Step 5: Solve for x
    x = 3,170,503,487.02/64,123.27
  6. Step 6: Final answer
    x = 49,443.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.