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Finding the Fourth Proportional to 22,706.88, 34,061.76 and 7,125.12

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Solution

The fourth proportional to 22,706.88, 34,061.76 and 7,125.12 is: 10,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,706.88 : 34,061.76 = 7,125.12 : x
  2. Step 2: Convert to fraction form
    22,706.88/34,061.76 = 7,125.12/x
  3. Step 3: Cross multiply
    22,706.88x = 34,061.76 × 7,125.12
  4. Step 4: Simplify right side
    22,706.88x = 242,694,127.41
  5. Step 5: Solve for x
    x = 242,694,127.41/22,706.88
  6. Step 6: Final answer
    x = 10,688.13

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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.