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Finding the Fourth Proportional to 12,552.52, 18,812.24 and 5,148.52

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Solution

The fourth proportional to 12,552.52, 18,812.24 and 5,148.52 is: 7,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.52 : 18,812.24 = 5,148.52 : x
  2. Step 2: Convert to fraction form
    12,552.52/18,812.24 = 5,148.52/x
  3. Step 3: Cross multiply
    12,552.52x = 18,812.24 × 5,148.52
  4. Step 4: Simplify right side
    12,552.52x = 96,855,193.88
  5. Step 5: Solve for x
    x = 96,855,193.88/12,552.52
  6. Step 6: Final answer
    x = 7,716.00

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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.