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Finding the Fourth Proportional to 22,171.08, 30,600.03 and 13,219.14

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Solution

The fourth proportional to 22,171.08, 30,600.03 and 13,219.14 is: 18,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.08 : 30,600.03 = 13,219.14 : x
  2. Step 2: Convert to fraction form
    22,171.08/30,600.03 = 13,219.14/x
  3. Step 3: Cross multiply
    22,171.08x = 30,600.03 × 13,219.14
  4. Step 4: Simplify right side
    22,171.08x = 404,506,080.57
  5. Step 5: Solve for x
    x = 404,506,080.57/22,171.08
  6. Step 6: Final answer
    x = 18,244.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.