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Finding the Fourth Proportional to 18,323.55, 27,488.88 and 5,843.16

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Solution

The fourth proportional to 18,323.55, 27,488.88 and 5,843.16 is: 8,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.55 : 27,488.88 = 5,843.16 : x
  2. Step 2: Convert to fraction form
    18,323.55/27,488.88 = 5,843.16/x
  3. Step 3: Cross multiply
    18,323.55x = 27,488.88 × 5,843.16
  4. Step 4: Simplify right side
    18,323.55x = 160,621,924.06
  5. Step 5: Solve for x
    x = 160,621,924.06/18,323.55
  6. Step 6: Final answer
    x = 8,765.87

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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.