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Finding the Fourth Proportional to 17,837.66, 24,615.96 and 9,879.88

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Solution

The fourth proportional to 17,837.66, 24,615.96 and 9,879.88 is: 13,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,837.66 : 24,615.96 = 9,879.88 : x
  2. Step 2: Convert to fraction form
    17,837.66/24,615.96 = 9,879.88/x
  3. Step 3: Cross multiply
    17,837.66x = 24,615.96 × 9,879.88
  4. Step 4: Simplify right side
    17,837.66x = 243,202,730.88
  5. Step 5: Solve for x
    x = 243,202,730.88/17,837.66
  6. Step 6: Final answer
    x = 13,634.23

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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.