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Finding the Fourth Proportional to 21,377.52, 32,052.24 and 6,581.52

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Solution

The fourth proportional to 21,377.52, 32,052.24 and 6,581.52 is: 9,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.52 : 32,052.24 = 6,581.52 : x
  2. Step 2: Convert to fraction form
    21,377.52/32,052.24 = 6,581.52/x
  3. Step 3: Cross multiply
    21,377.52x = 32,052.24 × 6,581.52
  4. Step 4: Simplify right side
    21,377.52x = 210,952,458.60
  5. Step 5: Solve for x
    x = 210,952,458.60/21,377.52
  6. Step 6: Final answer
    x = 9,867.96

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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.