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Finding the Fourth Proportional to 71,089.33, 106,549.17 and 33,087.46

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Solution

The fourth proportional to 71,089.33, 106,549.17 and 33,087.46 is: 49,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,089.33 : 106,549.17 = 33,087.46 : x
  2. Step 2: Convert to fraction form
    71,089.33/106,549.17 = 33,087.46/x
  3. Step 3: Cross multiply
    71,089.33x = 106,549.17 × 33,087.46
  4. Step 4: Simplify right side
    71,089.33x = 3,525,441,400.41
  5. Step 5: Solve for x
    x = 3,525,441,400.41/71,089.33
  6. Step 6: Final answer
    x = 49,591.71

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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.