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Finding the Fourth Proportional to 6,613.04, 9,910.54 and 3,328.39

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Solution

The fourth proportional to 6,613.04, 9,910.54 and 3,328.39 is: 4,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.04 : 9,910.54 = 3,328.39 : x
  2. Step 2: Convert to fraction form
    6,613.04/9,910.54 = 3,328.39/x
  3. Step 3: Cross multiply
    6,613.04x = 9,910.54 × 3,328.39
  4. Step 4: Simplify right side
    6,613.04x = 32,986,142.23
  5. Step 5: Solve for x
    x = 32,986,142.23/6,613.04
  6. Step 6: Final answer
    x = 4,988.05

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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.