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Finding the Fourth Proportional to 73,039.20, 109,574.88 and 26,292

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Solution

The fourth proportional to 73,039.20, 109,574.88 and 26,292 is: 39,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,039.20 : 109,574.88 = 26,292 : x
  2. Step 2: Convert to fraction form
    73,039.20/109,574.88 = 26,292/x
  3. Step 3: Cross multiply
    73,039.20x = 109,574.88 × 26,292
  4. Step 4: Simplify right side
    73,039.20x = 2,880,942,744.96
  5. Step 5: Solve for x
    x = 2,880,942,744.96/73,039.20
  6. Step 6: Final answer
    x = 39,443.79

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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.