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Finding the Fourth Proportional to 29,079.96, 40,169.95 and 22,786.19

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Solution

The fourth proportional to 29,079.96, 40,169.95 and 22,786.19 is: 31,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.96 : 40,169.95 = 22,786.19 : x
  2. Step 2: Convert to fraction form
    29,079.96/40,169.95 = 22,786.19/x
  3. Step 3: Cross multiply
    29,079.96x = 40,169.95 × 22,786.19
  4. Step 4: Simplify right side
    29,079.96x = 915,319,956.92
  5. Step 5: Solve for x
    x = 915,319,956.92/29,079.96
  6. Step 6: Final answer
    x = 31,475.97

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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.