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Finding the Fourth Proportional to 64,515.92, 96,787.70 and 22,397.33

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Solution

The fourth proportional to 64,515.92, 96,787.70 and 22,397.33 is: 33,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.92 : 96,787.70 = 22,397.33 : x
  2. Step 2: Convert to fraction form
    64,515.92/96,787.70 = 22,397.33/x
  3. Step 3: Cross multiply
    64,515.92x = 96,787.70 × 22,397.33
  4. Step 4: Simplify right side
    64,515.92x = 2,167,786,270.81
  5. Step 5: Solve for x
    x = 2,167,786,270.81/64,515.92
  6. Step 6: Final answer
    x = 33,600.80

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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.