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Finding the Fourth Proportional to 7,553.99, 11,350.13 and 4,781.97

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Solution

The fourth proportional to 7,553.99, 11,350.13 and 4,781.97 is: 7,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.99 : 11,350.13 = 4,781.97 : x
  2. Step 2: Convert to fraction form
    7,553.99/11,350.13 = 4,781.97/x
  3. Step 3: Cross multiply
    7,553.99x = 11,350.13 × 4,781.97
  4. Step 4: Simplify right side
    7,553.99x = 54,275,957.25
  5. Step 5: Solve for x
    x = 54,275,957.25/7,553.99
  6. Step 6: Final answer
    x = 7,185.07

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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.