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Finding the Fourth Proportional to 2,222.88, 3,333.57 and 741.77

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Solution

The fourth proportional to 2,222.88, 3,333.57 and 741.77 is: 1,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.88 : 3,333.57 = 741.77 : x
  2. Step 2: Convert to fraction form
    2,222.88/3,333.57 = 741.77/x
  3. Step 3: Cross multiply
    2,222.88x = 3,333.57 × 741.77
  4. Step 4: Simplify right side
    2,222.88x = 2,472,735.27
  5. Step 5: Solve for x
    x = 2,472,735.27/2,222.88
  6. Step 6: Final answer
    x = 1,112.40

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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.