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Finding the Fourth Proportional to 3,346.27, 5,019.53 and 881.34

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Solution

The fourth proportional to 3,346.27, 5,019.53 and 881.34 is: 1,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.27 : 5,019.53 = 881.34 : x
  2. Step 2: Convert to fraction form
    3,346.27/5,019.53 = 881.34/x
  3. Step 3: Cross multiply
    3,346.27x = 5,019.53 × 881.34
  4. Step 4: Simplify right side
    3,346.27x = 4,423,912.57
  5. Step 5: Solve for x
    x = 4,423,912.57/3,346.27
  6. Step 6: Final answer
    x = 1,322.04

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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.