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Finding the Fourth Proportional to 2,333.52, 3,220.07 and 1,449.15

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Solution

The fourth proportional to 2,333.52, 3,220.07 and 1,449.15 is: 1,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.52 : 3,220.07 = 1,449.15 : x
  2. Step 2: Convert to fraction form
    2,333.52/3,220.07 = 1,449.15/x
  3. Step 3: Cross multiply
    2,333.52x = 3,220.07 × 1,449.15
  4. Step 4: Simplify right side
    2,333.52x = 4,666,357.19
  5. Step 5: Solve for x
    x = 4,666,357.19/2,333.52
  6. Step 6: Final answer
    x = 1,999.71

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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.