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Finding the Fourth Proportional to 5,404.66, 7,454.73 and 3,309.82

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Solution

The fourth proportional to 5,404.66, 7,454.73 and 3,309.82 is: 4,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.66 : 7,454.73 = 3,309.82 : x
  2. Step 2: Convert to fraction form
    5,404.66/7,454.73 = 3,309.82/x
  3. Step 3: Cross multiply
    5,404.66x = 7,454.73 × 3,309.82
  4. Step 4: Simplify right side
    5,404.66x = 24,673,814.45
  5. Step 5: Solve for x
    x = 24,673,814.45/5,404.66
  6. Step 6: Final answer
    x = 4,565.29

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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.