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Finding the Fourth Proportional to 7,481.88, 11,200.95 and 5,253.03

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Solution

The fourth proportional to 7,481.88, 11,200.95 and 5,253.03 is: 7,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.88 : 11,200.95 = 5,253.03 : x
  2. Step 2: Convert to fraction form
    7,481.88/11,200.95 = 5,253.03/x
  3. Step 3: Cross multiply
    7,481.88x = 11,200.95 × 5,253.03
  4. Step 4: Simplify right side
    7,481.88x = 58,838,926.38
  5. Step 5: Solve for x
    x = 58,838,926.38/7,481.88
  6. Step 6: Final answer
    x = 7,864.19

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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.