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Finding the Fourth Proportional to 48,393.60, 66,785.76 and 27,179.52

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Solution

The fourth proportional to 48,393.60, 66,785.76 and 27,179.52 is: 37,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393.60 : 66,785.76 = 27,179.52 : x
  2. Step 2: Convert to fraction form
    48,393.60/66,785.76 = 27,179.52/x
  3. Step 3: Cross multiply
    48,393.60x = 66,785.76 × 27,179.52
  4. Step 4: Simplify right side
    48,393.60x = 1,815,204,899.64
  5. Step 5: Solve for x
    x = 1,815,204,899.64/48,393.60
  6. Step 6: Final answer
    x = 37,509.19

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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.