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Finding the Fourth Proportional to 7,249.91, 10,001.48 and 5,014.89

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Solution

The fourth proportional to 7,249.91, 10,001.48 and 5,014.89 is: 6,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.91 : 10,001.48 = 5,014.89 : x
  2. Step 2: Convert to fraction form
    7,249.91/10,001.48 = 5,014.89/x
  3. Step 3: Cross multiply
    7,249.91x = 10,001.48 × 5,014.89
  4. Step 4: Simplify right side
    7,249.91x = 50,156,296.96
  5. Step 5: Solve for x
    x = 50,156,296.96/7,249.91
  6. Step 6: Final answer
    x = 6,918.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.