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Finding the Fourth Proportional to 18,354.84, 27,536.76 and 5,874.90

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Solution

The fourth proportional to 18,354.84, 27,536.76 and 5,874.90 is: 8,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.84 : 27,536.76 = 5,874.90 : x
  2. Step 2: Convert to fraction form
    18,354.84/27,536.76 = 5,874.90/x
  3. Step 3: Cross multiply
    18,354.84x = 27,536.76 × 5,874.90
  4. Step 4: Simplify right side
    18,354.84x = 161,775,711.32
  5. Step 5: Solve for x
    x = 161,775,711.32/18,354.84
  6. Step 6: Final answer
    x = 8,813.79

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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.