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Finding the Fourth Proportional to 31,663.62, 43,695.96 and 17,516.96

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Solution

The fourth proportional to 31,663.62, 43,695.96 and 17,516.96 is: 24,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.62 : 43,695.96 = 17,516.96 : x
  2. Step 2: Convert to fraction form
    31,663.62/43,695.96 = 17,516.96/x
  3. Step 3: Cross multiply
    31,663.62x = 43,695.96 × 17,516.96
  4. Step 4: Simplify right side
    31,663.62x = 765,420,383.48
  5. Step 5: Solve for x
    x = 765,420,383.48/31,663.62
  6. Step 6: Final answer
    x = 24,173.50

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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.