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Finding the Fourth Proportional to 4,668.59, 6,968.72 and 4,115.03

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Solution

The fourth proportional to 4,668.59, 6,968.72 and 4,115.03 is: 6,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.59 : 6,968.72 = 4,115.03 : x
  2. Step 2: Convert to fraction form
    4,668.59/6,968.72 = 4,115.03/x
  3. Step 3: Cross multiply
    4,668.59x = 6,968.72 × 4,115.03
  4. Step 4: Simplify right side
    4,668.59x = 28,676,436.44
  5. Step 5: Solve for x
    x = 28,676,436.44/4,668.59
  6. Step 6: Final answer
    x = 6,142.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.