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Finding the Fourth Proportional to 3,613.02, 5,419.80 and 1,016.16

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Solution

The fourth proportional to 3,613.02, 5,419.80 and 1,016.16 is: 1,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.02 : 5,419.80 = 1,016.16 : x
  2. Step 2: Convert to fraction form
    3,613.02/5,419.80 = 1,016.16/x
  3. Step 3: Cross multiply
    3,613.02x = 5,419.80 × 1,016.16
  4. Step 4: Simplify right side
    3,613.02x = 5,507,383.97
  5. Step 5: Solve for x
    x = 5,507,383.97/3,613.02
  6. Step 6: Final answer
    x = 1,524.32

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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.