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Finding the Fourth Proportional to 3,343.96, 5,009.46 and 1,613.80

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Solution

The fourth proportional to 3,343.96, 5,009.46 and 1,613.80 is: 2,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.96 : 5,009.46 = 1,613.80 : x
  2. Step 2: Convert to fraction form
    3,343.96/5,009.46 = 1,613.80/x
  3. Step 3: Cross multiply
    3,343.96x = 5,009.46 × 1,613.80
  4. Step 4: Simplify right side
    3,343.96x = 8,084,266.55
  5. Step 5: Solve for x
    x = 8,084,266.55/3,343.96
  6. Step 6: Final answer
    x = 2,417.57

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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.