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Finding the Fourth Proportional to 12,753.16, 17,600.46 and 7,449.68

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Solution

The fourth proportional to 12,753.16, 17,600.46 and 7,449.68 is: 10,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.16 : 17,600.46 = 7,449.68 : x
  2. Step 2: Convert to fraction form
    12,753.16/17,600.46 = 7,449.68/x
  3. Step 3: Cross multiply
    12,753.16x = 17,600.46 × 7,449.68
  4. Step 4: Simplify right side
    12,753.16x = 131,117,794.85
  5. Step 5: Solve for x
    x = 131,117,794.85/12,753.16
  6. Step 6: Final answer
    x = 10,281.20

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1.5x scale

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.