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Finding the Fourth Proportional to 56,539.62, 84,809.72 and 33,149.66

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Solution

The fourth proportional to 56,539.62, 84,809.72 and 33,149.66 is: 49,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,539.62 : 84,809.72 = 33,149.66 : x
  2. Step 2: Convert to fraction form
    56,539.62/84,809.72 = 33,149.66/x
  3. Step 3: Cross multiply
    56,539.62x = 84,809.72 × 33,149.66
  4. Step 4: Simplify right side
    56,539.62x = 2,811,413,041.52
  5. Step 5: Solve for x
    x = 2,811,413,041.52/56,539.62
  6. Step 6: Final answer
    x = 49,724.65

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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.