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Finding the Fourth Proportional to 17,481, 24,116.94 and 11,515.80

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Solution

The fourth proportional to 17,481, 24,116.94 and 11,515.80 is: 15,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481 : 24,116.94 = 11,515.80 : x
  2. Step 2: Convert to fraction form
    17,481/24,116.94 = 11,515.80/x
  3. Step 3: Cross multiply
    17,481x = 24,116.94 × 11,515.80
  4. Step 4: Simplify right side
    17,481x = 277,725,857.65
  5. Step 5: Solve for x
    x = 277,725,857.65/17,481
  6. Step 6: Final answer
    x = 15,887.30

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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.