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Finding the Fourth Proportional to 58,543.65, 87,815.61 and 33,745.77

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Solution

The fourth proportional to 58,543.65, 87,815.61 and 33,745.77 is: 50,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.65 : 87,815.61 = 33,745.77 : x
  2. Step 2: Convert to fraction form
    58,543.65/87,815.61 = 33,745.77/x
  3. Step 3: Cross multiply
    58,543.65x = 87,815.61 × 33,745.77
  4. Step 4: Simplify right side
    58,543.65x = 2,963,405,377.47
  5. Step 5: Solve for x
    x = 2,963,405,377.47/58,543.65
  6. Step 6: Final answer
    x = 50,618.73

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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.