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Finding the Fourth Proportional to 26,999.87, 40,500.17 and 9,470.21

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Solution

The fourth proportional to 26,999.87, 40,500.17 and 9,470.21 is: 14,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.87 : 40,500.17 = 9,470.21 : x
  2. Step 2: Convert to fraction form
    26,999.87/40,500.17 = 9,470.21/x
  3. Step 3: Cross multiply
    26,999.87x = 40,500.17 × 9,470.21
  4. Step 4: Simplify right side
    26,999.87x = 383,544,865.08
  5. Step 5: Solve for x
    x = 383,544,865.08/26,999.87
  6. Step 6: Final answer
    x = 14,205.44

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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.