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Finding the Fourth Proportional to 7,404.74, 11,104.68 and 2,472.92

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Solution

The fourth proportional to 7,404.74, 11,104.68 and 2,472.92 is: 3,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.74 : 11,104.68 = 2,472.92 : x
  2. Step 2: Convert to fraction form
    7,404.74/11,104.68 = 2,472.92/x
  3. Step 3: Cross multiply
    7,404.74x = 11,104.68 × 2,472.92
  4. Step 4: Simplify right side
    7,404.74x = 27,460,985.27
  5. Step 5: Solve for x
    x = 27,460,985.27/7,404.74
  6. Step 6: Final answer
    x = 3,708.57

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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.