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Finding the Fourth Proportional to 48,107.60, 66,345.48 and 30,204.28

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Solution

The fourth proportional to 48,107.60, 66,345.48 and 30,204.28 is: 41,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,107.60 : 66,345.48 = 30,204.28 : x
  2. Step 2: Convert to fraction form
    48,107.60/66,345.48 = 30,204.28/x
  3. Step 3: Cross multiply
    48,107.60x = 66,345.48 × 30,204.28
  4. Step 4: Simplify right side
    48,107.60x = 2,003,917,454.65
  5. Step 5: Solve for x
    x = 2,003,917,454.65/48,107.60
  6. Step 6: Final answer
    x = 41,654.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.