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Finding the Fourth Proportional to 48,633.52, 72,921.07 and 19,016.07

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Solution

The fourth proportional to 48,633.52, 72,921.07 and 19,016.07 is: 28,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,633.52 : 72,921.07 = 19,016.07 : x
  2. Step 2: Convert to fraction form
    48,633.52/72,921.07 = 19,016.07/x
  3. Step 3: Cross multiply
    48,633.52x = 72,921.07 × 19,016.07
  4. Step 4: Simplify right side
    48,633.52x = 1,386,672,171.59
  5. Step 5: Solve for x
    x = 1,386,672,171.59/48,633.52
  6. Step 6: Final answer
    x = 28,512.68

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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.