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Finding the Fourth Proportional to 48,879.36, 67,455.36 and 27,659.52

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Solution

The fourth proportional to 48,879.36, 67,455.36 and 27,659.52 is: 38,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.36 : 67,455.36 = 27,659.52 : x
  2. Step 2: Convert to fraction form
    48,879.36/67,455.36 = 27,659.52/x
  3. Step 3: Cross multiply
    48,879.36x = 67,455.36 × 27,659.52
  4. Step 4: Simplify right side
    48,879.36x = 1,865,782,879.03
  5. Step 5: Solve for x
    x = 1,865,782,879.03/48,879.36
  6. Step 6: Final answer
    x = 38,171.18

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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.