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Finding the Fourth Proportional to 48,659.36, 72,935.70 and 19,044.68

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Solution

The fourth proportional to 48,659.36, 72,935.70 and 19,044.68 is: 28,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.36 : 72,935.70 = 19,044.68 : x
  2. Step 2: Convert to fraction form
    48,659.36/72,935.70 = 19,044.68/x
  3. Step 3: Cross multiply
    48,659.36x = 72,935.70 × 19,044.68
  4. Step 4: Simplify right side
    48,659.36x = 1,389,037,067.08
  5. Step 5: Solve for x
    x = 1,389,037,067.08/48,659.36
  6. Step 6: Final answer
    x = 28,546.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.