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Finding the Fourth Proportional to 18,017.44, 27,023 and 8,154.40

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Solution

The fourth proportional to 18,017.44, 27,023 and 8,154.40 is: 12,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.44 : 27,023 = 8,154.40 : x
  2. Step 2: Convert to fraction form
    18,017.44/27,023 = 8,154.40/x
  3. Step 3: Cross multiply
    18,017.44x = 27,023 × 8,154.40
  4. Step 4: Simplify right side
    18,017.44x = 220,356,351.20
  5. Step 5: Solve for x
    x = 220,356,351.20/18,017.44
  6. Step 6: Final answer
    x = 12,230.17

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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.