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Finding the Fourth Proportional to 7,475.56, 11,214.54 and 2,545.48

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Solution

The fourth proportional to 7,475.56, 11,214.54 and 2,545.48 is: 3,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.56 : 11,214.54 = 2,545.48 : x
  2. Step 2: Convert to fraction form
    7,475.56/11,214.54 = 2,545.48/x
  3. Step 3: Cross multiply
    7,475.56x = 11,214.54 × 2,545.48
  4. Step 4: Simplify right side
    7,475.56x = 28,546,387.28
  5. Step 5: Solve for x
    x = 28,546,387.28/7,475.56
  6. Step 6: Final answer
    x = 3,818.63

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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.