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Finding the Fourth Proportional to 17,281.90, 25,921.02 and 5,592.38

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Solution

The fourth proportional to 17,281.90, 25,921.02 and 5,592.38 is: 8,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.90 : 25,921.02 = 5,592.38 : x
  2. Step 2: Convert to fraction form
    17,281.90/25,921.02 = 5,592.38/x
  3. Step 3: Cross multiply
    17,281.90x = 25,921.02 × 5,592.38
  4. Step 4: Simplify right side
    17,281.90x = 144,960,193.83
  5. Step 5: Solve for x
    x = 144,960,193.83/17,281.90
  6. Step 6: Final answer
    x = 8,387.98

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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.