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Finding the Fourth Proportional to 31,597.79, 43,601.24 and 17,449.79

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Solution

The fourth proportional to 31,597.79, 43,601.24 and 17,449.79 is: 24,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.79 : 43,601.24 = 17,449.79 : x
  2. Step 2: Convert to fraction form
    31,597.79/43,601.24 = 17,449.79/x
  3. Step 3: Cross multiply
    31,597.79x = 43,601.24 × 17,449.79
  4. Step 4: Simplify right side
    31,597.79x = 760,832,394.49
  5. Step 5: Solve for x
    x = 760,832,394.49/31,597.79
  6. Step 6: Final answer
    x = 24,078.66

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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.