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Finding the Fourth Proportional to 6,469.26, 8,926.63 and 3,636.15

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Solution

The fourth proportional to 6,469.26, 8,926.63 and 3,636.15 is: 5,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.26 : 8,926.63 = 3,636.15 : x
  2. Step 2: Convert to fraction form
    6,469.26/8,926.63 = 3,636.15/x
  3. Step 3: Cross multiply
    6,469.26x = 8,926.63 × 3,636.15
  4. Step 4: Simplify right side
    6,469.26x = 32,458,565.67
  5. Step 5: Solve for x
    x = 32,458,565.67/6,469.26
  6. Step 6: Final answer
    x = 5,017.35

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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.