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Finding the Fourth Proportional to 62,702.80, 86,529.82 and 35,845.90

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Solution

The fourth proportional to 62,702.80, 86,529.82 and 35,845.90 is: 49,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,702.80 : 86,529.82 = 35,845.90 : x
  2. Step 2: Convert to fraction form
    62,702.80/86,529.82 = 35,845.90/x
  3. Step 3: Cross multiply
    62,702.80x = 86,529.82 × 35,845.90
  4. Step 4: Simplify right side
    62,702.80x = 3,101,739,274.74
  5. Step 5: Solve for x
    x = 3,101,739,274.74/62,702.80
  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.