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Finding the Fourth Proportional to 50,115.60, 69,159.60 and 27,759.60

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Solution

The fourth proportional to 50,115.60, 69,159.60 and 27,759.60 is: 38,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.60 : 69,159.60 = 27,759.60 : x
  2. Step 2: Convert to fraction form
    50,115.60/69,159.60 = 27,759.60/x
  3. Step 3: Cross multiply
    50,115.60x = 69,159.60 × 27,759.60
  4. Step 4: Simplify right side
    50,115.60x = 1,919,842,832.16
  5. Step 5: Solve for x
    x = 1,919,842,832.16/50,115.60
  6. Step 6: Final answer
    x = 38,308.29

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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.