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Finding the Fourth Proportional to 50,449.63, 69,620.97 and 27,788.72

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Solution

The fourth proportional to 50,449.63, 69,620.97 and 27,788.72 is: 38,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,449.63 : 69,620.97 = 27,788.72 : x
  2. Step 2: Convert to fraction form
    50,449.63/69,620.97 = 27,788.72/x
  3. Step 3: Cross multiply
    50,449.63x = 69,620.97 × 27,788.72
  4. Step 4: Simplify right side
    50,449.63x = 1,934,677,641.46
  5. Step 5: Solve for x
    x = 1,934,677,641.46/50,449.63
  6. Step 6: Final answer
    x = 38,348.70

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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.