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Finding the Fourth Proportional to 2,941.26, 4,411.90 and 889.26

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Solution

The fourth proportional to 2,941.26, 4,411.90 and 889.26 is: 1,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.26 : 4,411.90 = 889.26 : x
  2. Step 2: Convert to fraction form
    2,941.26/4,411.90 = 889.26/x
  3. Step 3: Cross multiply
    2,941.26x = 4,411.90 × 889.26
  4. Step 4: Simplify right side
    2,941.26x = 3,923,326.19
  5. Step 5: Solve for x
    x = 3,923,326.19/2,941.26
  6. Step 6: Final answer
    x = 1,333.89

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Similar ratio
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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.