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Finding the Fourth Proportional to 32,381.98, 44,693.42 and 18,234.91

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Solution

The fourth proportional to 32,381.98, 44,693.42 and 18,234.91 is: 25,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,381.98 : 44,693.42 = 18,234.91 : x
  2. Step 2: Convert to fraction form
    32,381.98/44,693.42 = 18,234.91/x
  3. Step 3: Cross multiply
    32,381.98x = 44,693.42 × 18,234.91
  4. Step 4: Simplify right side
    32,381.98x = 814,980,400.12
  5. Step 5: Solve for x
    x = 814,980,400.12/32,381.98
  6. Step 6: Final answer
    x = 25,167.71

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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.