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Finding the Fourth Proportional to 17,752.13, 26,641.97 and 6,668.90

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Solution

The fourth proportional to 17,752.13, 26,641.97 and 6,668.90 is: 10,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752.13 : 26,641.97 = 6,668.90 : x
  2. Step 2: Convert to fraction form
    17,752.13/26,641.97 = 6,668.90/x
  3. Step 3: Cross multiply
    17,752.13x = 26,641.97 × 6,668.90
  4. Step 4: Simplify right side
    17,752.13x = 177,672,600.39
  5. Step 5: Solve for x
    x = 177,672,600.39/17,752.13
  6. Step 6: Final answer
    x = 10,008.52

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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.