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Finding the Fourth Proportional to 3,663.32, 5,500.46 and 3,608.66

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Solution

The fourth proportional to 3,663.32, 5,500.46 and 3,608.66 is: 5,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.32 : 5,500.46 = 3,608.66 : x
  2. Step 2: Convert to fraction form
    3,663.32/5,500.46 = 3,608.66/x
  3. Step 3: Cross multiply
    3,663.32x = 5,500.46 × 3,608.66
  4. Step 4: Simplify right side
    3,663.32x = 19,849,289.98
  5. Step 5: Solve for x
    x = 19,849,289.98/3,663.32
  6. Step 6: Final answer
    x = 5,418.39

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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.