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Finding the Fourth Proportional to 17,959.25, 24,781.99 and 10,002.21

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Solution

The fourth proportional to 17,959.25, 24,781.99 and 10,002.21 is: 13,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.25 : 24,781.99 = 10,002.21 : x
  2. Step 2: Convert to fraction form
    17,959.25/24,781.99 = 10,002.21/x
  3. Step 3: Cross multiply
    17,959.25x = 24,781.99 × 10,002.21
  4. Step 4: Simplify right side
    17,959.25x = 247,874,754.88
  5. Step 5: Solve for x
    x = 247,874,754.88/17,959.25
  6. Step 6: Final answer
    x = 13,802.07

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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.