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Finding the Fourth Proportional to 12,612.76, 17,404.93 and 7,234.92

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Solution

The fourth proportional to 12,612.76, 17,404.93 and 7,234.92 is: 9,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.76 : 17,404.93 = 7,234.92 : x
  2. Step 2: Convert to fraction form
    12,612.76/17,404.93 = 7,234.92/x
  3. Step 3: Cross multiply
    12,612.76x = 17,404.93 × 7,234.92
  4. Step 4: Simplify right side
    12,612.76x = 125,923,276.16
  5. Step 5: Solve for x
    x = 125,923,276.16/12,612.76
  6. Step 6: Final answer
    x = 9,983.80

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Double scale
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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.