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Finding the Fourth Proportional to 64,737.84, 89,338.37 and 36,057.27

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Solution

The fourth proportional to 64,737.84, 89,338.37 and 36,057.27 is: 49,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737.84 : 89,338.37 = 36,057.27 : x
  2. Step 2: Convert to fraction form
    64,737.84/89,338.37 = 36,057.27/x
  3. Step 3: Cross multiply
    64,737.84x = 89,338.37 × 36,057.27
  4. Step 4: Simplify right side
    64,737.84x = 3,221,297,548.16
  5. Step 5: Solve for x
    x = 3,221,297,548.16/64,737.84
  6. Step 6: Final answer
    x = 49,759.11

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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.