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Finding the Fourth Proportional to 56,489.73, 77,958.27 and 33,832.41

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Solution

The fourth proportional to 56,489.73, 77,958.27 and 33,832.41 is: 46,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.73 : 77,958.27 = 33,832.41 : x
  2. Step 2: Convert to fraction form
    56,489.73/77,958.27 = 33,832.41/x
  3. Step 3: Cross multiply
    56,489.73x = 77,958.27 × 33,832.41
  4. Step 4: Simplify right side
    56,489.73x = 2,637,516,153.53
  5. Step 5: Solve for x
    x = 2,637,516,153.53/56,489.73
  6. Step 6: Final answer
    x = 46,690.19

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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.