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Finding the Fourth Proportional to 58,658.25, 80,648.65 and 52,223.61

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Solution

The fourth proportional to 58,658.25, 80,648.65 and 52,223.61 is: 71,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,658.25 : 80,648.65 = 52,223.61 : x
  2. Step 2: Convert to fraction form
    58,658.25/80,648.65 = 52,223.61/x
  3. Step 3: Cross multiply
    58,658.25x = 80,648.65 × 52,223.61
  4. Step 4: Simplify right side
    58,658.25x = 4,211,763,644.63
  5. Step 5: Solve for x
    x = 4,211,763,644.63/58,658.25
  6. Step 6: Final answer
    x = 71,801.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.