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Finding the Fourth Proportional to 6,238, 8,609.60 and 3,585.44

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Solution

The fourth proportional to 6,238, 8,609.60 and 3,585.44 is: 4,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238 : 8,609.60 = 3,585.44 : x
  2. Step 2: Convert to fraction form
    6,238/8,609.60 = 3,585.44/x
  3. Step 3: Cross multiply
    6,238x = 8,609.60 × 3,585.44
  4. Step 4: Simplify right side
    6,238x = 30,869,204.22
  5. Step 5: Solve for x
    x = 30,869,204.22/6,238
  6. Step 6: Final answer
    x = 4,948.57

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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.