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Finding the Fourth Proportional to 13,152.53, 19,720.92 and 6,134.13

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Solution

The fourth proportional to 13,152.53, 19,720.92 and 6,134.13 is: 9,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.53 : 19,720.92 = 6,134.13 : x
  2. Step 2: Convert to fraction form
    13,152.53/19,720.92 = 6,134.13/x
  3. Step 3: Cross multiply
    13,152.53x = 19,720.92 × 6,134.13
  4. Step 4: Simplify right side
    13,152.53x = 120,970,675.50
  5. Step 5: Solve for x
    x = 120,970,675.50/13,152.53
  6. Step 6: Final answer
    x = 9,197.52

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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.