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Finding the Fourth Proportional to 6,517.10, 8,998.78 and 6,019.56

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Solution

The fourth proportional to 6,517.10, 8,998.78 and 6,019.56 is: 8,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.10 : 8,998.78 = 6,019.56 : x
  2. Step 2: Convert to fraction form
    6,517.10/8,998.78 = 6,019.56/x
  3. Step 3: Cross multiply
    6,517.10x = 8,998.78 × 6,019.56
  4. Step 4: Simplify right side
    6,517.10x = 54,168,666.04
  5. Step 5: Solve for x
    x = 54,168,666.04/6,517.10
  6. Step 6: Final answer
    x = 8,311.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.