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Finding the Fourth Proportional to 18,278.60, 27,417.84 and 5,966.60

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Solution

The fourth proportional to 18,278.60, 27,417.84 and 5,966.60 is: 8,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.60 : 27,417.84 = 5,966.60 : x
  2. Step 2: Convert to fraction form
    18,278.60/27,417.84 = 5,966.60/x
  3. Step 3: Cross multiply
    18,278.60x = 27,417.84 × 5,966.60
  4. Step 4: Simplify right side
    18,278.60x = 163,591,284.14
  5. Step 5: Solve for x
    x = 163,591,284.14/18,278.60
  6. Step 6: Final answer
    x = 8,949.88

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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.