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Finding the Fourth Proportional to 6,317.64, 9,477.82 and 1,934.96

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Solution

The fourth proportional to 6,317.64, 9,477.82 and 1,934.96 is: 2,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.64 : 9,477.82 = 1,934.96 : x
  2. Step 2: Convert to fraction form
    6,317.64/9,477.82 = 1,934.96/x
  3. Step 3: Cross multiply
    6,317.64x = 9,477.82 × 1,934.96
  4. Step 4: Simplify right side
    6,317.64x = 18,339,202.59
  5. Step 5: Solve for x
    x = 18,339,202.59/6,317.64
  6. Step 6: Final answer
    x = 2,902.86

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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.