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Finding the Fourth Proportional to 15,132.56, 22,702.08 and 4,743.50

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Solution

The fourth proportional to 15,132.56, 22,702.08 and 4,743.50 is: 7,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.56 : 22,702.08 = 4,743.50 : x
  2. Step 2: Convert to fraction form
    15,132.56/22,702.08 = 4,743.50/x
  3. Step 3: Cross multiply
    15,132.56x = 22,702.08 × 4,743.50
  4. Step 4: Simplify right side
    15,132.56x = 107,687,316.48
  5. Step 5: Solve for x
    x = 107,687,316.48/15,132.56
  6. Step 6: Final answer
    x = 7,116.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.