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Finding the Fourth Proportional to 6,295.61, 8,683.85 and 3,933.65

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Solution

The fourth proportional to 6,295.61, 8,683.85 and 3,933.65 is: 5,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.61 : 8,683.85 = 3,933.65 : x
  2. Step 2: Convert to fraction form
    6,295.61/8,683.85 = 3,933.65/x
  3. Step 3: Cross multiply
    6,295.61x = 8,683.85 × 3,933.65
  4. Step 4: Simplify right side
    6,295.61x = 34,159,163.47
  5. Step 5: Solve for x
    x = 34,159,163.47/6,295.61
  6. Step 6: Final answer
    x = 5,425.87

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1.5x scale

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.