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Finding the Fourth Proportional to 6,600.04, 9,108.11 and 3,616.15

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Solution

The fourth proportional to 6,600.04, 9,108.11 and 3,616.15 is: 4,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.04 : 9,108.11 = 3,616.15 : x
  2. Step 2: Convert to fraction form
    6,600.04/9,108.11 = 3,616.15/x
  3. Step 3: Cross multiply
    6,600.04x = 9,108.11 × 3,616.15
  4. Step 4: Simplify right side
    6,600.04x = 32,936,251.13
  5. Step 5: Solve for x
    x = 32,936,251.13/6,600.04
  6. Step 6: Final answer
    x = 4,990.31

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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.