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Finding the Fourth Proportional to 18,377.97, 27,566.45 and 5,897.90

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Solution

The fourth proportional to 18,377.97, 27,566.45 and 5,897.90 is: 8,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.97 : 27,566.45 = 5,897.90 : x
  2. Step 2: Convert to fraction form
    18,377.97/27,566.45 = 5,897.90/x
  3. Step 3: Cross multiply
    18,377.97x = 27,566.45 × 5,897.90
  4. Step 4: Simplify right side
    18,377.97x = 162,583,998.13
  5. Step 5: Solve for x
    x = 162,583,998.13/18,377.97
  6. Step 6: Final answer
    x = 8,846.68

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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.