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Finding the Fourth Proportional to 22,705.95, 34,049.21 and 7,124.79

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Solution

The fourth proportional to 22,705.95, 34,049.21 and 7,124.79 is: 10,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.95 : 34,049.21 = 7,124.79 : x
  2. Step 2: Convert to fraction form
    22,705.95/34,049.21 = 7,124.79/x
  3. Step 3: Cross multiply
    22,705.95x = 34,049.21 × 7,124.79
  4. Step 4: Simplify right side
    22,705.95x = 242,593,435.29
  5. Step 5: Solve for x
    x = 242,593,435.29/22,705.95
  6. Step 6: Final answer
    x = 10,684.14

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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.