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Finding the Fourth Proportional to 22,931.70, 34,397.55 and 17,099.70

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Solution

The fourth proportional to 22,931.70, 34,397.55 and 17,099.70 is: 25,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.70 : 34,397.55 = 17,099.70 : x
  2. Step 2: Convert to fraction form
    22,931.70/34,397.55 = 17,099.70/x
  3. Step 3: Cross multiply
    22,931.70x = 34,397.55 × 17,099.70
  4. Step 4: Simplify right side
    22,931.70x = 588,187,785.74
  5. Step 5: Solve for x
    x = 588,187,785.74/22,931.70
  6. Step 6: Final answer
    x = 25,649.55

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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.