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Finding the Fourth Proportional to 63,966.40, 95,956.80 and 19,592.80

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Solution

The fourth proportional to 63,966.40, 95,956.80 and 19,592.80 is: 29,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,966.40 : 95,956.80 = 19,592.80 : x
  2. Step 2: Convert to fraction form
    63,966.40/95,956.80 = 19,592.80/x
  3. Step 3: Cross multiply
    63,966.40x = 95,956.80 × 19,592.80
  4. Step 4: Simplify right side
    63,966.40x = 1,880,062,391.04
  5. Step 5: Solve for x
    x = 1,880,062,391.04/63,966.40
  6. Step 6: Final answer
    x = 29,391.41

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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.