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Finding the Fourth Proportional to 8,468.87, 12,703.30 and 3,535.82

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Solution

The fourth proportional to 8,468.87, 12,703.30 and 3,535.82 is: 5,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.87 : 12,703.30 = 3,535.82 : x
  2. Step 2: Convert to fraction form
    8,468.87/12,703.30 = 3,535.82/x
  3. Step 3: Cross multiply
    8,468.87x = 12,703.30 × 3,535.82
  4. Step 4: Simplify right side
    8,468.87x = 44,916,557.49
  5. Step 5: Solve for x
    x = 44,916,557.49/8,468.87
  6. Step 6: Final answer
    x = 5,303.73

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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.