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Finding the Fourth Proportional to 4,613.49, 6,915.09 and 1,839.44

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Solution

The fourth proportional to 4,613.49, 6,915.09 and 1,839.44 is: 2,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.49 : 6,915.09 = 1,839.44 : x
  2. Step 2: Convert to fraction form
    4,613.49/6,915.09 = 1,839.44/x
  3. Step 3: Cross multiply
    4,613.49x = 6,915.09 × 1,839.44
  4. Step 4: Simplify right side
    4,613.49x = 12,719,858.57
  5. Step 5: Solve for x
    x = 12,719,858.57/4,613.49
  6. Step 6: Final answer
    x = 2,757.10

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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.