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Finding the Fourth Proportional to 75,768.62, 104,553.55 and 43,934.06

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Solution

The fourth proportional to 75,768.62, 104,553.55 and 43,934.06 is: 60,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.62 : 104,553.55 = 43,934.06 : x
  2. Step 2: Convert to fraction form
    75,768.62/104,553.55 = 43,934.06/x
  3. Step 3: Cross multiply
    75,768.62x = 104,553.55 × 43,934.06
  4. Step 4: Simplify right side
    75,768.62x = 4,593,462,255.21
  5. Step 5: Solve for x
    x = 4,593,462,255.21/75,768.62
  6. Step 6: Final answer
    x = 60,624.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.