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Finding the Fourth Proportional to 81,960.71, 122,948.02 and 22,796.38

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Solution

The fourth proportional to 81,960.71, 122,948.02 and 22,796.38 is: 34,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,960.71 : 122,948.02 = 22,796.38 : x
  2. Step 2: Convert to fraction form
    81,960.71/122,948.02 = 22,796.38/x
  3. Step 3: Cross multiply
    81,960.71x = 122,948.02 × 22,796.38
  4. Step 4: Simplify right side
    81,960.71x = 2,802,769,966.35
  5. Step 5: Solve for x
    x = 2,802,769,966.35/81,960.71
  6. Step 6: Final answer
    x = 34,196.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.