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Finding the Fourth Proportional to 58,942.80, 88,415.12 and 32,813.61

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Solution

The fourth proportional to 58,942.80, 88,415.12 and 32,813.61 is: 49,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,942.80 : 88,415.12 = 32,813.61 : x
  2. Step 2: Convert to fraction form
    58,942.80/88,415.12 = 32,813.61/x
  3. Step 3: Cross multiply
    58,942.80x = 88,415.12 × 32,813.61
  4. Step 4: Simplify right side
    58,942.80x = 2,901,219,265.78
  5. Step 5: Solve for x
    x = 2,901,219,265.78/58,942.80
  6. Step 6: Final answer
    x = 49,220.93

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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.