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Finding the Fourth Proportional to 58,854.24, 81,231.52 and 36,212.48

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Solution

The fourth proportional to 58,854.24, 81,231.52 and 36,212.48 is: 49,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.24 : 81,231.52 = 36,212.48 : x
  2. Step 2: Convert to fraction form
    58,854.24/81,231.52 = 36,212.48/x
  3. Step 3: Cross multiply
    58,854.24x = 81,231.52 × 36,212.48
  4. Step 4: Simplify right side
    58,854.24x = 2,941,594,793.37
  5. Step 5: Solve for x
    x = 2,941,594,793.37/58,854.24
  6. Step 6: Final answer
    x = 49,981.02

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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.