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Finding the Fourth Proportional to 64,340.37, 88,787.57 and 35,658.81

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Solution

The fourth proportional to 64,340.37, 88,787.57 and 35,658.81 is: 49,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.37 : 88,787.57 = 35,658.81 : x
  2. Step 2: Convert to fraction form
    64,340.37/88,787.57 = 35,658.81/x
  3. Step 3: Cross multiply
    64,340.37x = 88,787.57 × 35,658.81
  4. Step 4: Simplify right side
    64,340.37x = 3,166,058,910.70
  5. Step 5: Solve for x
    x = 3,166,058,910.70/64,340.37
  6. Step 6: Final answer
    x = 49,207.97

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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.