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Finding the Fourth Proportional to 83,494.65, 125,247.90 and 33,575.01

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Solution

The fourth proportional to 83,494.65, 125,247.90 and 33,575.01 is: 50,364.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,494.65 : 125,247.90 = 33,575.01 : x
  2. Step 2: Convert to fraction form
    83,494.65/125,247.90 = 33,575.01/x
  3. Step 3: Cross multiply
    83,494.65x = 125,247.90 × 33,575.01
  4. Step 4: Simplify right side
    83,494.65x = 4,205,198,867.92
  5. Step 5: Solve for x
    x = 4,205,198,867.92/83,494.65
  6. Step 6: Final answer
    x = 50,364.89

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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.