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Finding the Fourth Proportional to 7,957.57, 11,933.07 and 3,454.92

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Solution

The fourth proportional to 7,957.57, 11,933.07 and 3,454.92 is: 5,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.57 : 11,933.07 = 3,454.92 : x
  2. Step 2: Convert to fraction form
    7,957.57/11,933.07 = 3,454.92/x
  3. Step 3: Cross multiply
    7,957.57x = 11,933.07 × 3,454.92
  4. Step 4: Simplify right side
    7,957.57x = 41,227,802.20
  5. Step 5: Solve for x
    x = 41,227,802.20/7,957.57
  6. Step 6: Final answer
    x = 5,180.95

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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.