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Finding the Fourth Proportional to 17,685.98, 24,257.11 and 15,693.06

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Solution

The fourth proportional to 17,685.98, 24,257.11 and 15,693.06 is: 21,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.98 : 24,257.11 = 15,693.06 : x
  2. Step 2: Convert to fraction form
    17,685.98/24,257.11 = 15,693.06/x
  3. Step 3: Cross multiply
    17,685.98x = 24,257.11 × 15,693.06
  4. Step 4: Simplify right side
    17,685.98x = 380,668,282.66
  5. Step 5: Solve for x
    x = 380,668,282.66/17,685.98
  6. Step 6: Final answer
    x = 21,523.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.