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Finding the Fourth Proportional to 29,508.67, 40,717.20 and 17,571.70

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Solution

The fourth proportional to 29,508.67, 40,717.20 and 17,571.70 is: 24,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.67 : 40,717.20 = 17,571.70 : x
  2. Step 2: Convert to fraction form
    29,508.67/40,717.20 = 17,571.70/x
  3. Step 3: Cross multiply
    29,508.67x = 40,717.20 × 17,571.70
  4. Step 4: Simplify right side
    29,508.67x = 715,470,423.24
  5. Step 5: Solve for x
    x = 715,470,423.24/29,508.67
  6. Step 6: Final answer
    x = 24,246.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.