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Finding the Fourth Proportional to 58,854, 81,219.33 and 33,703.50

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Solution

The fourth proportional to 58,854, 81,219.33 and 33,703.50 is: 46,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854 : 81,219.33 = 33,703.50 : x
  2. Step 2: Convert to fraction form
    58,854/81,219.33 = 33,703.50/x
  3. Step 3: Cross multiply
    58,854x = 81,219.33 × 33,703.50
  4. Step 4: Simplify right side
    58,854x = 2,737,375,688.66
  5. Step 5: Solve for x
    x = 2,737,375,688.66/58,854
  6. Step 6: Final answer
    x = 46,511.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.