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Finding the Fourth Proportional to 58,937.82, 81,345.40 and 33,446.56

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Solution

The fourth proportional to 58,937.82, 81,345.40 and 33,446.56 is: 46,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937.82 : 81,345.40 = 33,446.56 : x
  2. Step 2: Convert to fraction form
    58,937.82/81,345.40 = 33,446.56/x
  3. Step 3: Cross multiply
    58,937.82x = 81,345.40 × 33,446.56
  4. Step 4: Simplify right side
    58,937.82x = 2,720,723,227.86
  5. Step 5: Solve for x
    x = 2,720,723,227.86/58,937.82
  6. Step 6: Final answer
    x = 46,162.61

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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.