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Finding the Fourth Proportional to 29,045.20, 40,082.04 and 16,470.40

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Solution

The fourth proportional to 29,045.20, 40,082.04 and 16,470.40 is: 22,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.20 : 40,082.04 = 16,470.40 : x
  2. Step 2: Convert to fraction form
    29,045.20/40,082.04 = 16,470.40/x
  3. Step 3: Cross multiply
    29,045.20x = 40,082.04 × 16,470.40
  4. Step 4: Simplify right side
    29,045.20x = 660,167,231.62
  5. Step 5: Solve for x
    x = 660,167,231.62/29,045.20
  6. Step 6: Final answer
    x = 22,728.96

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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.