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Finding the Fourth Proportional to 52,948.46, 79,422.72 and 33,240.86

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Solution

The fourth proportional to 52,948.46, 79,422.72 and 33,240.86 is: 49,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,948.46 : 79,422.72 = 33,240.86 : x
  2. Step 2: Convert to fraction form
    52,948.46/79,422.72 = 33,240.86/x
  3. Step 3: Cross multiply
    52,948.46x = 79,422.72 × 33,240.86
  4. Step 4: Simplify right side
    52,948.46x = 2,640,079,516.34
  5. Step 5: Solve for x
    x = 2,640,079,516.34/52,948.46
  6. Step 6: Final answer
    x = 49,861.31

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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.