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Finding the Fourth Proportional to 7,404.12, 11,103.12 and 2,472.48

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Solution

The fourth proportional to 7,404.12, 11,103.12 and 2,472.48 is: 3,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.12 : 11,103.12 = 2,472.48 : x
  2. Step 2: Convert to fraction form
    7,404.12/11,103.12 = 2,472.48/x
  3. Step 3: Cross multiply
    7,404.12x = 11,103.12 × 2,472.48
  4. Step 4: Simplify right side
    7,404.12x = 27,452,242.14
  5. Step 5: Solve for x
    x = 27,452,242.14/7,404.12
  6. Step 6: Final answer
    x = 3,707.70

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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.