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Finding the Fourth Proportional to 7,673.52, 11,508.48 and 3,724.68

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Solution

The fourth proportional to 7,673.52, 11,508.48 and 3,724.68 is: 5,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.52 : 11,508.48 = 3,724.68 : x
  2. Step 2: Convert to fraction form
    7,673.52/11,508.48 = 3,724.68/x
  3. Step 3: Cross multiply
    7,673.52x = 11,508.48 × 3,724.68
  4. Step 4: Simplify right side
    7,673.52x = 42,865,405.29
  5. Step 5: Solve for x
    x = 42,865,405.29/7,673.52
  6. Step 6: Final answer
    x = 5,586.15

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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.