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Finding the Fourth Proportional to 6,659.93, 9,192.31 and 4,006.85

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Solution

The fourth proportional to 6,659.93, 9,192.31 and 4,006.85 is: 5,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.93 : 9,192.31 = 4,006.85 : x
  2. Step 2: Convert to fraction form
    6,659.93/9,192.31 = 4,006.85/x
  3. Step 3: Cross multiply
    6,659.93x = 9,192.31 × 4,006.85
  4. Step 4: Simplify right side
    6,659.93x = 36,832,151.34
  5. Step 5: Solve for x
    x = 36,832,151.34/6,659.93
  6. Step 6: Final answer
    x = 5,530.41

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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.