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Finding the Fourth Proportional to 62,702.81, 86,529.83 and 35,845.91

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Solution

The fourth proportional to 62,702.81, 86,529.83 and 35,845.91 is: 49,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,702.81 : 86,529.83 = 35,845.91 : x
  2. Step 2: Convert to fraction form
    62,702.81/86,529.83 = 35,845.91/x
  3. Step 3: Cross multiply
    62,702.81x = 86,529.83 × 35,845.91
  4. Step 4: Simplify right side
    62,702.81x = 3,101,739,886.62
  5. Step 5: Solve for x
    x = 3,101,739,886.62/62,702.81
  6. Step 6: Final answer
    x = 49,467.32

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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.