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Finding the Fourth Proportional to 8,922.65, 13,372.16 and 4,753.68

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Solution

The fourth proportional to 8,922.65, 13,372.16 and 4,753.68 is: 7,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.65 : 13,372.16 = 4,753.68 : x
  2. Step 2: Convert to fraction form
    8,922.65/13,372.16 = 4,753.68/x
  3. Step 3: Cross multiply
    8,922.65x = 13,372.16 × 4,753.68
  4. Step 4: Simplify right side
    8,922.65x = 63,566,945.78
  5. Step 5: Solve for x
    x = 63,566,945.78/8,922.65
  6. Step 6: Final answer
    x = 7,124.23

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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.