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Finding the Fourth Proportional to 17,187.99, 25,781.97 and 4,708.14

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Solution

The fourth proportional to 17,187.99, 25,781.97 and 4,708.14 is: 7,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.99 : 25,781.97 = 4,708.14 : x
  2. Step 2: Convert to fraction form
    17,187.99/25,781.97 = 4,708.14/x
  3. Step 3: Cross multiply
    17,187.99x = 25,781.97 × 4,708.14
  4. Step 4: Simplify right side
    17,187.99x = 121,385,124.24
  5. Step 5: Solve for x
    x = 121,385,124.24/17,187.99
  6. Step 6: Final answer
    x = 7,062.21

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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.