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Finding the Fourth Proportional to 50,348.08, 69,449.76 and 36,220.08

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Solution

The fourth proportional to 50,348.08, 69,449.76 and 36,220.08 is: 49,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.08 : 69,449.76 = 36,220.08 : x
  2. Step 2: Convert to fraction form
    50,348.08/69,449.76 = 36,220.08/x
  3. Step 3: Cross multiply
    50,348.08x = 69,449.76 × 36,220.08
  4. Step 4: Simplify right side
    50,348.08x = 2,515,475,863.18
  5. Step 5: Solve for x
    x = 2,515,475,863.18/50,348.08
  6. Step 6: Final answer
    x = 49,961.70

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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.