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Finding the Fourth Proportional to 26,613, 36,726.21 and 16,002.81

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Solution

The fourth proportional to 26,613, 36,726.21 and 16,002.81 is: 22,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613 : 36,726.21 = 16,002.81 : x
  2. Step 2: Convert to fraction form
    26,613/36,726.21 = 16,002.81/x
  3. Step 3: Cross multiply
    26,613x = 36,726.21 × 16,002.81
  4. Step 4: Simplify right side
    26,613x = 587,722,560.65
  5. Step 5: Solve for x
    x = 587,722,560.65/26,613
  6. Step 6: Final answer
    x = 22,084.04

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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.