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Finding the Fourth Proportional to 75,491.92, 104,207.88 and 50,332.24

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Solution

The fourth proportional to 75,491.92, 104,207.88 and 50,332.24 is: 69,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,491.92 : 104,207.88 = 50,332.24 : x
  2. Step 2: Convert to fraction form
    75,491.92/104,207.88 = 50,332.24/x
  3. Step 3: Cross multiply
    75,491.92x = 104,207.88 × 50,332.24
  4. Step 4: Simplify right side
    75,491.92x = 5,245,016,026.05
  5. Step 5: Solve for x
    x = 5,245,016,026.05/75,491.92
  6. Step 6: Final answer
    x = 69,477.85

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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.