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Finding the Fourth Proportional to 41,590.80, 62,407.80 and 18,219.60

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Solution

The fourth proportional to 41,590.80, 62,407.80 and 18,219.60 is: 27,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,590.80 : 62,407.80 = 18,219.60 : x
  2. Step 2: Convert to fraction form
    41,590.80/62,407.80 = 18,219.60/x
  3. Step 3: Cross multiply
    41,590.80x = 62,407.80 × 18,219.60
  4. Step 4: Simplify right side
    41,590.80x = 1,137,045,152.88
  5. Step 5: Solve for x
    x = 1,137,045,152.88/41,590.80
  6. Step 6: Final answer
    x = 27,338.86

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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.