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Finding the Fourth Proportional to 2,933.36, 4,400.04 and 742.09

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Solution

The fourth proportional to 2,933.36, 4,400.04 and 742.09 is: 1,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.36 : 4,400.04 = 742.09 : x
  2. Step 2: Convert to fraction form
    2,933.36/4,400.04 = 742.09/x
  3. Step 3: Cross multiply
    2,933.36x = 4,400.04 × 742.09
  4. Step 4: Simplify right side
    2,933.36x = 3,265,225.68
  5. Step 5: Solve for x
    x = 3,265,225.68/2,933.36
  6. Step 6: Final answer
    x = 1,113.14

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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.