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Finding the Fourth Proportional to 58,521.89, 87,745.95 and 32,245.09

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Solution

The fourth proportional to 58,521.89, 87,745.95 and 32,245.09 is: 48,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.89 : 87,745.95 = 32,245.09 : x
  2. Step 2: Convert to fraction form
    58,521.89/87,745.95 = 32,245.09/x
  3. Step 3: Cross multiply
    58,521.89x = 87,745.95 × 32,245.09
  4. Step 4: Simplify right side
    58,521.89x = 2,829,375,835.52
  5. Step 5: Solve for x
    x = 2,829,375,835.52/58,521.89
  6. Step 6: Final answer
    x = 48,347.31

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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.