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Finding the Fourth Proportional to 7,553.88, 11,330.73 and 5,474.88

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Solution

The fourth proportional to 7,553.88, 11,330.73 and 5,474.88 is: 8,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.88 : 11,330.73 = 5,474.88 : x
  2. Step 2: Convert to fraction form
    7,553.88/11,330.73 = 5,474.88/x
  3. Step 3: Cross multiply
    7,553.88x = 11,330.73 × 5,474.88
  4. Step 4: Simplify right side
    7,553.88x = 62,034,387.06
  5. Step 5: Solve for x
    x = 62,034,387.06/7,553.88
  6. Step 6: Final answer
    x = 8,212.25

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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.