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Finding the Fourth Proportional to 5,761.47, 7,948.73 and 3,370.69

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Solution

The fourth proportional to 5,761.47, 7,948.73 and 3,370.69 is: 4,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.47 : 7,948.73 = 3,370.69 : x
  2. Step 2: Convert to fraction form
    5,761.47/7,948.73 = 3,370.69/x
  3. Step 3: Cross multiply
    5,761.47x = 7,948.73 × 3,370.69
  4. Step 4: Simplify right side
    5,761.47x = 26,792,704.72
  5. Step 5: Solve for x
    x = 26,792,704.72/5,761.47
  6. Step 6: Final answer
    x = 4,650.32

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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.