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Finding the Fourth Proportional to 59,285.76, 81,857.13 and 36,655.77

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Solution

The fourth proportional to 59,285.76, 81,857.13 and 36,655.77 is: 50,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,285.76 : 81,857.13 = 36,655.77 : x
  2. Step 2: Convert to fraction form
    59,285.76/81,857.13 = 36,655.77/x
  3. Step 3: Cross multiply
    59,285.76x = 81,857.13 × 36,655.77
  4. Step 4: Simplify right side
    59,285.76x = 3,000,536,505.83
  5. Step 5: Solve for x
    x = 3,000,536,505.83/59,285.76
  6. Step 6: Final answer
    x = 50,611.42

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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.