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Finding the Fourth Proportional to 8,716.52, 13,053.76 and 5,007.48

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Solution

The fourth proportional to 8,716.52, 13,053.76 and 5,007.48 is: 7,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.52 : 13,053.76 = 5,007.48 : x
  2. Step 2: Convert to fraction form
    8,716.52/13,053.76 = 5,007.48/x
  3. Step 3: Cross multiply
    8,716.52x = 13,053.76 × 5,007.48
  4. Step 4: Simplify right side
    8,716.52x = 65,366,442.12
  5. Step 5: Solve for x
    x = 65,366,442.12/8,716.52
  6. Step 6: Final answer
    x = 7,499.14

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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.