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Finding the Fourth Proportional to 4,941.88, 7,412.26 and 1,244.11

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Solution

The fourth proportional to 4,941.88, 7,412.26 and 1,244.11 is: 1,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.88 : 7,412.26 = 1,244.11 : x
  2. Step 2: Convert to fraction form
    4,941.88/7,412.26 = 1,244.11/x
  3. Step 3: Cross multiply
    4,941.88x = 7,412.26 × 1,244.11
  4. Step 4: Simplify right side
    4,941.88x = 9,221,629.73
  5. Step 5: Solve for x
    x = 9,221,629.73/4,941.88
  6. Step 6: Final answer
    x = 1,866.02

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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.