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Finding the Fourth Proportional to 29,079, 40,129.38 and 16,504.92

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Solution

The fourth proportional to 29,079, 40,129.38 and 16,504.92 is: 22,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079 : 40,129.38 = 16,504.92 : x
  2. Step 2: Convert to fraction form
    29,079/40,129.38 = 16,504.92/x
  3. Step 3: Cross multiply
    29,079x = 40,129.38 × 16,504.92
  4. Step 4: Simplify right side
    29,079x = 662,332,206.55
  5. Step 5: Solve for x
    x = 662,332,206.55/29,079
  6. Step 6: Final answer
    x = 22,776.99

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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.