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Finding the Fourth Proportional to 32,486.43, 44,830.92 and 18,339.87

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Solution

The fourth proportional to 32,486.43, 44,830.92 and 18,339.87 is: 25,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.43 : 44,830.92 = 18,339.87 : x
  2. Step 2: Convert to fraction form
    32,486.43/44,830.92 = 18,339.87/x
  3. Step 3: Cross multiply
    32,486.43x = 44,830.92 × 18,339.87
  4. Step 4: Simplify right side
    32,486.43x = 822,193,244.78
  5. Step 5: Solve for x
    x = 822,193,244.78/32,486.43
  6. Step 6: Final answer
    x = 25,308.82

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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.