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Finding the Fourth Proportional to 3,609.54, 4,981.02 and 2,016.12

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Solution

The fourth proportional to 3,609.54, 4,981.02 and 2,016.12 is: 2,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.54 : 4,981.02 = 2,016.12 : x
  2. Step 2: Convert to fraction form
    3,609.54/4,981.02 = 2,016.12/x
  3. Step 3: Cross multiply
    3,609.54x = 4,981.02 × 2,016.12
  4. Step 4: Simplify right side
    3,609.54x = 10,042,334.04
  5. Step 5: Solve for x
    x = 10,042,334.04/3,609.54
  6. Step 6: Final answer
    x = 2,782.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.