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Finding the Fourth Proportional to 32,379.54, 44,684.64 and 18,232.90

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Solution

The fourth proportional to 32,379.54, 44,684.64 and 18,232.90 is: 25,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.54 : 44,684.64 = 18,232.90 : x
  2. Step 2: Convert to fraction form
    32,379.54/44,684.64 = 18,232.90/x
  3. Step 3: Cross multiply
    32,379.54x = 44,684.64 × 18,232.90
  4. Step 4: Simplify right side
    32,379.54x = 814,730,572.66
  5. Step 5: Solve for x
    x = 814,730,572.66/32,379.54
  6. Step 6: Final answer
    x = 25,161.89

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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.