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Finding the Fourth Proportional to 31,677.44, 43,717.92 and 19,101.92

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Solution

The fourth proportional to 31,677.44, 43,717.92 and 19,101.92 is: 26,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.44 : 43,717.92 = 19,101.92 : x
  2. Step 2: Convert to fraction form
    31,677.44/43,717.92 = 19,101.92/x
  3. Step 3: Cross multiply
    31,677.44x = 43,717.92 × 19,101.92
  4. Step 4: Simplify right side
    31,677.44x = 835,096,210.41
  5. Step 5: Solve for x
    x = 835,096,210.41/31,677.44
  6. Step 6: Final answer
    x = 26,362.49

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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.