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Finding the Fourth Proportional to 20,501.52, 30,752.24 and 6,650.52

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Solution

The fourth proportional to 20,501.52, 30,752.24 and 6,650.52 is: 9,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.52 : 30,752.24 = 6,650.52 : x
  2. Step 2: Convert to fraction form
    20,501.52/30,752.24 = 6,650.52/x
  3. Step 3: Cross multiply
    20,501.52x = 30,752.24 × 6,650.52
  4. Step 4: Simplify right side
    20,501.52x = 204,518,387.16
  5. Step 5: Solve for x
    x = 204,518,387.16/20,501.52
  6. Step 6: Final answer
    x = 9,975.77

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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.