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Finding the Fourth Proportional to 22,713.92, 34,061.52 and 8,679.12

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Solution

The fourth proportional to 22,713.92, 34,061.52 and 8,679.12 is: 13,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.92 : 34,061.52 = 8,679.12 : x
  2. Step 2: Convert to fraction form
    22,713.92/34,061.52 = 8,679.12/x
  3. Step 3: Cross multiply
    22,713.92x = 34,061.52 × 8,679.12
  4. Step 4: Simplify right side
    22,713.92x = 295,624,019.46
  5. Step 5: Solve for x
    x = 295,624,019.46/22,713.92
  6. Step 6: Final answer
    x = 13,015.10

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1.5x scale

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.