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Finding the Fourth Proportional to 7,957.62, 11,934.89 and 7,562.48

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Solution

The fourth proportional to 7,957.62, 11,934.89 and 7,562.48 is: 11,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.62 : 11,934.89 = 7,562.48 : x
  2. Step 2: Convert to fraction form
    7,957.62/11,934.89 = 7,562.48/x
  3. Step 3: Cross multiply
    7,957.62x = 11,934.89 × 7,562.48
  4. Step 4: Simplify right side
    7,957.62x = 90,257,297.80
  5. Step 5: Solve for x
    x = 90,257,297.80/7,957.62
  6. Step 6: Final answer
    x = 11,342.25

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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.