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Finding the Fourth Proportional to 8,997.19, 13,500.64 and 4,380.19

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Solution

The fourth proportional to 8,997.19, 13,500.64 and 4,380.19 is: 6,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.19 : 13,500.64 = 4,380.19 : x
  2. Step 2: Convert to fraction form
    8,997.19/13,500.64 = 4,380.19/x
  3. Step 3: Cross multiply
    8,997.19x = 13,500.64 × 4,380.19
  4. Step 4: Simplify right side
    8,997.19x = 59,135,340.05
  5. Step 5: Solve for x
    x = 59,135,340.05/8,997.19
  6. Step 6: Final answer
    x = 6,572.65

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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.