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Finding the Fourth Proportional to 58,408.42, 87,562.09 and 49,581.42

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Solution

The fourth proportional to 58,408.42, 87,562.09 and 49,581.42 is: 74,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,408.42 : 87,562.09 = 49,581.42 : x
  2. Step 2: Convert to fraction form
    58,408.42/87,562.09 = 49,581.42/x
  3. Step 3: Cross multiply
    58,408.42x = 87,562.09 × 49,581.42
  4. Step 4: Simplify right side
    58,408.42x = 4,341,452,760.37
  5. Step 5: Solve for x
    x = 4,341,452,760.37/58,408.42
  6. Step 6: Final answer
    x = 74,329.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.