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Finding the Fourth Proportional to 2,809.84, 4,233.80 and 2,333.56

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Solution

The fourth proportional to 2,809.84, 4,233.80 and 2,333.56 is: 3,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.84 : 4,233.80 = 2,333.56 : x
  2. Step 2: Convert to fraction form
    2,809.84/4,233.80 = 2,333.56/x
  3. Step 3: Cross multiply
    2,809.84x = 4,233.80 × 2,333.56
  4. Step 4: Simplify right side
    2,809.84x = 9,879,826.33
  5. Step 5: Solve for x
    x = 9,879,826.33/2,809.84
  6. Step 6: Final answer
    x = 3,516.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.