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Finding the Fourth Proportional to 20,591.56, 30,862.50 and 9,483.04

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Solution

The fourth proportional to 20,591.56, 30,862.50 and 9,483.04 is: 14,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.56 : 30,862.50 = 9,483.04 : x
  2. Step 2: Convert to fraction form
    20,591.56/30,862.50 = 9,483.04/x
  3. Step 3: Cross multiply
    20,591.56x = 30,862.50 × 9,483.04
  4. Step 4: Simplify right side
    20,591.56x = 292,670,322
  5. Step 5: Solve for x
    x = 292,670,322/20,591.56
  6. Step 6: Final answer
    x = 14,213.12

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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.