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Finding the Fourth Proportional to 8,702.80, 12,010.41 and 4,924.52

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Solution

The fourth proportional to 8,702.80, 12,010.41 and 4,924.52 is: 6,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.80 : 12,010.41 = 4,924.52 : x
  2. Step 2: Convert to fraction form
    8,702.80/12,010.41 = 4,924.52/x
  3. Step 3: Cross multiply
    8,702.80x = 12,010.41 × 4,924.52
  4. Step 4: Simplify right side
    8,702.80x = 59,145,504.25
  5. Step 5: Solve for x
    x = 59,145,504.25/8,702.80
  6. Step 6: Final answer
    x = 6,796.15

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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.