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Finding the Fourth Proportional to 7,248.36, 9,991.92 and 5,006.52

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Solution

The fourth proportional to 7,248.36, 9,991.92 and 5,006.52 is: 6,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.36 : 9,991.92 = 5,006.52 : x
  2. Step 2: Convert to fraction form
    7,248.36/9,991.92 = 5,006.52/x
  3. Step 3: Cross multiply
    7,248.36x = 9,991.92 × 5,006.52
  4. Step 4: Simplify right side
    7,248.36x = 50,024,747.32
  5. Step 5: Solve for x
    x = 50,024,747.32/7,248.36
  6. Step 6: Final answer
    x = 6,901.53

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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.