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Finding the Fourth Proportional to 18,043.87, 27,064.06 and 5,560.54

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Solution

The fourth proportional to 18,043.87, 27,064.06 and 5,560.54 is: 8,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.87 : 27,064.06 = 5,560.54 : x
  2. Step 2: Convert to fraction form
    18,043.87/27,064.06 = 5,560.54/x
  3. Step 3: Cross multiply
    18,043.87x = 27,064.06 × 5,560.54
  4. Step 4: Simplify right side
    18,043.87x = 150,490,698.81
  5. Step 5: Solve for x
    x = 150,490,698.81/18,043.87
  6. Step 6: Final answer
    x = 8,340.27

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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.