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Finding the Fourth Proportional to 71,645.84, 107,366.92 and 52,777.50

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Solution

The fourth proportional to 71,645.84, 107,366.92 and 52,777.50 is: 79,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,645.84 : 107,366.92 = 52,777.50 : x
  2. Step 2: Convert to fraction form
    71,645.84/107,366.92 = 52,777.50/x
  3. Step 3: Cross multiply
    71,645.84x = 107,366.92 × 52,777.50
  4. Step 4: Simplify right side
    71,645.84x = 5,666,557,387.70
  5. Step 5: Solve for x
    x = 5,666,557,387.70/71,645.84
  6. Step 6: Final answer
    x = 79,091.23

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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.