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Finding the Fourth Proportional to 29,470.38, 40,672.58 and 16,551.77

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Solution

The fourth proportional to 29,470.38, 40,672.58 and 16,551.77 is: 22,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.38 : 40,672.58 = 16,551.77 : x
  2. Step 2: Convert to fraction form
    29,470.38/40,672.58 = 16,551.77/x
  3. Step 3: Cross multiply
    29,470.38x = 40,672.58 × 16,551.77
  4. Step 4: Simplify right side
    29,470.38x = 673,203,189.47
  5. Step 5: Solve for x
    x = 673,203,189.47/29,470.38
  6. Step 6: Final answer
    x = 22,843.38

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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.