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Finding the Fourth Proportional to 4,941.69, 7,412.54 and 1,862.97

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Solution

The fourth proportional to 4,941.69, 7,412.54 and 1,862.97 is: 2,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.69 : 7,412.54 = 1,862.97 : x
  2. Step 2: Convert to fraction form
    4,941.69/7,412.54 = 1,862.97/x
  3. Step 3: Cross multiply
    4,941.69x = 7,412.54 × 1,862.97
  4. Step 4: Simplify right side
    4,941.69x = 13,809,330.33
  5. Step 5: Solve for x
    x = 13,809,330.33/4,941.69
  6. Step 6: Final answer
    x = 2,794.46

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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.