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Finding the Fourth Proportional to 18,482.85, 27,714.15 and 9,102.24

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Solution

The fourth proportional to 18,482.85, 27,714.15 and 9,102.24 is: 13,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.85 : 27,714.15 = 9,102.24 : x
  2. Step 2: Convert to fraction form
    18,482.85/27,714.15 = 9,102.24/x
  3. Step 3: Cross multiply
    18,482.85x = 27,714.15 × 9,102.24
  4. Step 4: Simplify right side
    18,482.85x = 252,260,844.70
  5. Step 5: Solve for x
    x = 252,260,844.70/18,482.85
  6. Step 6: Final answer
    x = 13,648.37

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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.