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Finding the Fourth Proportional to 59,269.88, 81,753.90 and 38,015.48

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Solution

The fourth proportional to 59,269.88, 81,753.90 and 38,015.48 is: 52,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,269.88 : 81,753.90 = 38,015.48 : x
  2. Step 2: Convert to fraction form
    59,269.88/81,753.90 = 38,015.48/x
  3. Step 3: Cross multiply
    59,269.88x = 81,753.90 × 38,015.48
  4. Step 4: Simplify right side
    59,269.88x = 3,107,913,750.37
  5. Step 5: Solve for x
    x = 3,107,913,750.37/59,269.88
  6. Step 6: Final answer
    x = 52,436.65

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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.