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Finding the Fourth Proportional to 6,633.74, 9,950.10 and 3,858.64

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Solution

The fourth proportional to 6,633.74, 9,950.10 and 3,858.64 is: 5,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.74 : 9,950.10 = 3,858.64 : x
  2. Step 2: Convert to fraction form
    6,633.74/9,950.10 = 3,858.64/x
  3. Step 3: Cross multiply
    6,633.74x = 9,950.10 × 3,858.64
  4. Step 4: Simplify right side
    6,633.74x = 38,393,853.86
  5. Step 5: Solve for x
    x = 38,393,853.86/6,633.74
  6. Step 6: Final answer
    x = 5,787.66

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1.5x scale

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.