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Finding the Fourth Proportional to 29,630.80, 44,338.20 and 18,542.80

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Solution

The fourth proportional to 29,630.80, 44,338.20 and 18,542.80 is: 27,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,630.80 : 44,338.20 = 18,542.80 : x
  2. Step 2: Convert to fraction form
    29,630.80/44,338.20 = 18,542.80/x
  3. Step 3: Cross multiply
    29,630.80x = 44,338.20 × 18,542.80
  4. Step 4: Simplify right side
    29,630.80x = 822,154,374.96
  5. Step 5: Solve for x
    x = 822,154,374.96/29,630.80
  6. Step 6: Final answer
    x = 27,746.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.