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Finding the Fourth Proportional to 31,444.70, 43,393.03 and 17,104.82

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Solution

The fourth proportional to 31,444.70, 43,393.03 and 17,104.82 is: 23,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,444.70 : 43,393.03 = 17,104.82 : x
  2. Step 2: Convert to fraction form
    31,444.70/43,393.03 = 17,104.82/x
  3. Step 3: Cross multiply
    31,444.70x = 43,393.03 × 17,104.82
  4. Step 4: Simplify right side
    31,444.70x = 742,229,967.40
  5. Step 5: Solve for x
    x = 742,229,967.40/31,444.70
  6. Step 6: Final answer
    x = 23,604.29

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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.