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Finding the Fourth Proportional to 58,395.94, 80,502.42 and 41,599.78

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Solution

The fourth proportional to 58,395.94, 80,502.42 and 41,599.78 is: 57,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,395.94 : 80,502.42 = 41,599.78 : x
  2. Step 2: Convert to fraction form
    58,395.94/80,502.42 = 41,599.78/x
  3. Step 3: Cross multiply
    58,395.94x = 80,502.42 × 41,599.78
  4. Step 4: Simplify right side
    58,395.94x = 3,348,882,906.10
  5. Step 5: Solve for x
    x = 3,348,882,906.10/58,395.94
  6. Step 6: Final answer
    x = 57,347.87

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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.