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Finding the Fourth Proportional to 51,574.92, 77,231.10 and 33,991.44

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Solution

The fourth proportional to 51,574.92, 77,231.10 and 33,991.44 is: 50,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,574.92 : 77,231.10 = 33,991.44 : x
  2. Step 2: Convert to fraction form
    51,574.92/77,231.10 = 33,991.44/x
  3. Step 3: Cross multiply
    51,574.92x = 77,231.10 × 33,991.44
  4. Step 4: Simplify right side
    51,574.92x = 2,625,196,301.78
  5. Step 5: Solve for x
    x = 2,625,196,301.78/51,574.92
  6. Step 6: Final answer
    x = 50,900.64

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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.