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Finding the Fourth Proportional to 56,404.91, 77,818.19 and 33,744.56

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Solution

The fourth proportional to 56,404.91, 77,818.19 and 33,744.56 is: 46,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,404.91 : 77,818.19 = 33,744.56 : x
  2. Step 2: Convert to fraction form
    56,404.91/77,818.19 = 33,744.56/x
  3. Step 3: Cross multiply
    56,404.91x = 77,818.19 × 33,744.56
  4. Step 4: Simplify right side
    56,404.91x = 2,625,940,023.73
  5. Step 5: Solve for x
    x = 2,625,940,023.73/56,404.91
  6. Step 6: Final answer
    x = 46,555.17

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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.