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Finding the Fourth Proportional to 10,188.45, 15,273.18 and 3,952.53

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Solution

The fourth proportional to 10,188.45, 15,273.18 and 3,952.53 is: 5,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.45 : 15,273.18 = 3,952.53 : x
  2. Step 2: Convert to fraction form
    10,188.45/15,273.18 = 3,952.53/x
  3. Step 3: Cross multiply
    10,188.45x = 15,273.18 × 3,952.53
  4. Step 4: Simplify right side
    10,188.45x = 60,367,702.15
  5. Step 5: Solve for x
    x = 60,367,702.15/10,188.45
  6. Step 6: Final answer
    x = 5,925.11

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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.