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Finding the Fourth Proportional to 2,244.62, 3,368.33 and 858.08

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Solution

The fourth proportional to 2,244.62, 3,368.33 and 858.08 is: 1,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.62 : 3,368.33 = 858.08 : x
  2. Step 2: Convert to fraction form
    2,244.62/3,368.33 = 858.08/x
  3. Step 3: Cross multiply
    2,244.62x = 3,368.33 × 858.08
  4. Step 4: Simplify right side
    2,244.62x = 2,890,281.91
  5. Step 5: Solve for x
    x = 2,890,281.91/2,244.62
  6. Step 6: Final answer
    x = 1,287.65

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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.