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Finding the Fourth Proportional to 32,487.98, 44,830.91 and 18,342.22

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Solution

The fourth proportional to 32,487.98, 44,830.91 and 18,342.22 is: 25,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,487.98 : 44,830.91 = 18,342.22 : x
  2. Step 2: Convert to fraction form
    32,487.98/44,830.91 = 18,342.22/x
  3. Step 3: Cross multiply
    32,487.98x = 44,830.91 × 18,342.22
  4. Step 4: Simplify right side
    32,487.98x = 822,298,414.02
  5. Step 5: Solve for x
    x = 822,298,414.02/32,487.98
  6. Step 6: Final answer
    x = 25,310.85

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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.