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Finding the Fourth Proportional to 63,640.70, 87,822.44 and 35,344.58

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Solution

The fourth proportional to 63,640.70, 87,822.44 and 35,344.58 is: 48,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.70 : 87,822.44 = 35,344.58 : x
  2. Step 2: Convert to fraction form
    63,640.70/87,822.44 = 35,344.58/x
  3. Step 3: Cross multiply
    63,640.70x = 87,822.44 × 35,344.58
  4. Step 4: Simplify right side
    63,640.70x = 3,104,047,256.38
  5. Step 5: Solve for x
    x = 3,104,047,256.38/63,640.70
  6. Step 6: Final answer
    x = 48,774.56

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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.