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Finding the Fourth Proportional to 5,472.50, 7,552.02 and 3,114.62

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Solution

The fourth proportional to 5,472.50, 7,552.02 and 3,114.62 is: 4,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.50 : 7,552.02 = 3,114.62 : x
  2. Step 2: Convert to fraction form
    5,472.50/7,552.02 = 3,114.62/x
  3. Step 3: Cross multiply
    5,472.50x = 7,552.02 × 3,114.62
  4. Step 4: Simplify right side
    5,472.50x = 23,521,672.53
  5. Step 5: Solve for x
    x = 23,521,672.53/5,472.50
  6. Step 6: Final answer
    x = 4,298.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.