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Finding the Fourth Proportional to 73,714.80, 110,572.20 and 18,310.80

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Solution

The fourth proportional to 73,714.80, 110,572.20 and 18,310.80 is: 27,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,714.80 : 110,572.20 = 18,310.80 : x
  2. Step 2: Convert to fraction form
    73,714.80/110,572.20 = 18,310.80/x
  3. Step 3: Cross multiply
    73,714.80x = 110,572.20 × 18,310.80
  4. Step 4: Simplify right side
    73,714.80x = 2,024,665,439.76
  5. Step 5: Solve for x
    x = 2,024,665,439.76/73,714.80
  6. Step 6: Final answer
    x = 27,466.20

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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.