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Finding the Fourth Proportional to 8,468.52, 12,702.78 and 3,535.47

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Solution

The fourth proportional to 8,468.52, 12,702.78 and 3,535.47 is: 5,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.52 : 12,702.78 = 3,535.47 : x
  2. Step 2: Convert to fraction form
    8,468.52/12,702.78 = 3,535.47/x
  3. Step 3: Cross multiply
    8,468.52x = 12,702.78 × 3,535.47
  4. Step 4: Simplify right side
    8,468.52x = 44,910,297.61
  5. Step 5: Solve for x
    x = 44,910,297.61/8,468.52
  6. Step 6: Final answer
    x = 5,303.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.