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Finding the Fourth Proportional to 2,891.03, 4,336.55 and 2,317.55

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Solution

The fourth proportional to 2,891.03, 4,336.55 and 2,317.55 is: 3,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.03 : 4,336.55 = 2,317.55 : x
  2. Step 2: Convert to fraction form
    2,891.03/4,336.55 = 2,317.55/x
  3. Step 3: Cross multiply
    2,891.03x = 4,336.55 × 2,317.55
  4. Step 4: Simplify right side
    2,891.03x = 10,050,171.45
  5. Step 5: Solve for x
    x = 10,050,171.45/2,891.03
  6. Step 6: Final answer
    x = 3,476.33

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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.