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Finding the Fourth Proportional to 29,451.90, 44,171.22 and 8,391.51

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Solution

The fourth proportional to 29,451.90, 44,171.22 and 8,391.51 is: 12,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.90 : 44,171.22 = 8,391.51 : x
  2. Step 2: Convert to fraction form
    29,451.90/44,171.22 = 8,391.51/x
  3. Step 3: Cross multiply
    29,451.90x = 44,171.22 × 8,391.51
  4. Step 4: Simplify right side
    29,451.90x = 370,663,234.34
  5. Step 5: Solve for x
    x = 370,663,234.34/29,451.90
  6. Step 6: Final answer
    x = 12,585.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.