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Finding the Fourth Proportional to 7,174.62, 9,901.17 and 4,031.10

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Solution

The fourth proportional to 7,174.62, 9,901.17 and 4,031.10 is: 5,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.62 : 9,901.17 = 4,031.10 : x
  2. Step 2: Convert to fraction form
    7,174.62/9,901.17 = 4,031.10/x
  3. Step 3: Cross multiply
    7,174.62x = 9,901.17 × 4,031.10
  4. Step 4: Simplify right side
    7,174.62x = 39,912,606.39
  5. Step 5: Solve for x
    x = 39,912,606.39/7,174.62
  6. Step 6: Final answer
    x = 5,563.03

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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.