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Finding the Fourth Proportional to 63,564.66, 95,347.66 and 19,191.78

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Solution

The fourth proportional to 63,564.66, 95,347.66 and 19,191.78 is: 28,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.66 : 95,347.66 = 19,191.78 : x
  2. Step 2: Convert to fraction form
    63,564.66/95,347.66 = 19,191.78/x
  3. Step 3: Cross multiply
    63,564.66x = 95,347.66 × 19,191.78
  4. Step 4: Simplify right side
    63,564.66x = 1,829,891,314.23
  5. Step 5: Solve for x
    x = 1,829,891,314.23/63,564.66
  6. Step 6: Final answer
    x = 28,787.87

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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.