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Finding the Fourth Proportional to 6,368.79, 9,550.91 and 2,207.69

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Solution

The fourth proportional to 6,368.79, 9,550.91 and 2,207.69 is: 3,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.79 : 9,550.91 = 2,207.69 : x
  2. Step 2: Convert to fraction form
    6,368.79/9,550.91 = 2,207.69/x
  3. Step 3: Cross multiply
    6,368.79x = 9,550.91 × 2,207.69
  4. Step 4: Simplify right side
    6,368.79x = 21,085,406.26
  5. Step 5: Solve for x
    x = 21,085,406.26/6,368.79
  6. Step 6: Final answer
    x = 3,310.74

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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.