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Finding the Fourth Proportional to 29,023.70, 40,053.15 and 16,279.71

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Solution

The fourth proportional to 29,023.70, 40,053.15 and 16,279.71 is: 22,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.70 : 40,053.15 = 16,279.71 : x
  2. Step 2: Convert to fraction form
    29,023.70/40,053.15 = 16,279.71/x
  3. Step 3: Cross multiply
    29,023.70x = 40,053.15 × 16,279.71
  4. Step 4: Simplify right side
    29,023.70x = 652,053,516.39
  5. Step 5: Solve for x
    x = 652,053,516.39/29,023.70
  6. Step 6: Final answer
    x = 22,466.25

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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.