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Finding the Fourth Proportional to 71,029.84, 106,517.06 and 26,632.40

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Solution

The fourth proportional to 71,029.84, 106,517.06 and 26,632.40 is: 39,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.84 : 106,517.06 = 26,632.40 : x
  2. Step 2: Convert to fraction form
    71,029.84/106,517.06 = 26,632.40/x
  3. Step 3: Cross multiply
    71,029.84x = 106,517.06 × 26,632.40
  4. Step 4: Simplify right side
    71,029.84x = 2,836,804,948.74
  5. Step 5: Solve for x
    x = 2,836,804,948.74/71,029.84
  6. Step 6: Final answer
    x = 39,938.21

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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.