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Finding the Fourth Proportional to 18,443.60, 27,658.61 and 6,594.17

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Solution

The fourth proportional to 18,443.60, 27,658.61 and 6,594.17 is: 9,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.60 : 27,658.61 = 6,594.17 : x
  2. Step 2: Convert to fraction form
    18,443.60/27,658.61 = 6,594.17/x
  3. Step 3: Cross multiply
    18,443.60x = 27,658.61 × 6,594.17
  4. Step 4: Simplify right side
    18,443.60x = 182,385,622.44
  5. Step 5: Solve for x
    x = 182,385,622.44/18,443.60
  6. Step 6: Final answer
    x = 9,888.83

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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.