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Finding the Fourth Proportional to 18,280.66, 27,421.97 and 5,801.68

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Solution

The fourth proportional to 18,280.66, 27,421.97 and 5,801.68 is: 8,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.66 : 27,421.97 = 5,801.68 : x
  2. Step 2: Convert to fraction form
    18,280.66/27,421.97 = 5,801.68/x
  3. Step 3: Cross multiply
    18,280.66x = 27,421.97 × 5,801.68
  4. Step 4: Simplify right side
    18,280.66x = 159,093,494.91
  5. Step 5: Solve for x
    x = 159,093,494.91/18,280.66
  6. Step 6: Final answer
    x = 8,702.83

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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.