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Finding the Fourth Proportional to 2,891.99, 4,333.44 and 2,235.47

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Solution

The fourth proportional to 2,891.99, 4,333.44 and 2,235.47 is: 3,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.99 : 4,333.44 = 2,235.47 : x
  2. Step 2: Convert to fraction form
    2,891.99/4,333.44 = 2,235.47/x
  3. Step 3: Cross multiply
    2,891.99x = 4,333.44 × 2,235.47
  4. Step 4: Simplify right side
    2,891.99x = 9,687,285.95
  5. Step 5: Solve for x
    x = 9,687,285.95/2,891.99
  6. Step 6: Final answer
    x = 3,349.69

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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.