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Finding the Fourth Proportional to 22,718.81, 34,079.41 and 6,922.62

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Solution

The fourth proportional to 22,718.81, 34,079.41 and 6,922.62 is: 10,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.81 : 34,079.41 = 6,922.62 : x
  2. Step 2: Convert to fraction form
    22,718.81/34,079.41 = 6,922.62/x
  3. Step 3: Cross multiply
    22,718.81x = 34,079.41 × 6,922.62
  4. Step 4: Simplify right side
    22,718.81x = 235,918,805.25
  5. Step 5: Solve for x
    x = 235,918,805.25/22,718.81
  6. Step 6: Final answer
    x = 10,384.29

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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.