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Finding the Fourth Proportional to 11,660.17, 17,491.99 and 3,760.08

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Solution

The fourth proportional to 11,660.17, 17,491.99 and 3,760.08 is: 5,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.17 : 17,491.99 = 3,760.08 : x
  2. Step 2: Convert to fraction form
    11,660.17/17,491.99 = 3,760.08/x
  3. Step 3: Cross multiply
    11,660.17x = 17,491.99 × 3,760.08
  4. Step 4: Simplify right side
    11,660.17x = 65,771,281.76
  5. Step 5: Solve for x
    x = 65,771,281.76/11,660.17
  6. Step 6: Final answer
    x = 5,640.68

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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.