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Finding the Fourth Proportional to 6,203.88, 8,562.66 and 3,933.75

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Solution

The fourth proportional to 6,203.88, 8,562.66 and 3,933.75 is: 5,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.88 : 8,562.66 = 3,933.75 : x
  2. Step 2: Convert to fraction form
    6,203.88/8,562.66 = 3,933.75/x
  3. Step 3: Cross multiply
    6,203.88x = 8,562.66 × 3,933.75
  4. Step 4: Simplify right side
    6,203.88x = 33,683,363.78
  5. Step 5: Solve for x
    x = 33,683,363.78/6,203.88
  6. Step 6: Final answer
    x = 5,429.40

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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.