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Finding the Fourth Proportional to 4,941.44, 7,412.16 and 1,862.72

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Solution

The fourth proportional to 4,941.44, 7,412.16 and 1,862.72 is: 2,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.44 : 7,412.16 = 1,862.72 : x
  2. Step 2: Convert to fraction form
    4,941.44/7,412.16 = 1,862.72/x
  3. Step 3: Cross multiply
    4,941.44x = 7,412.16 × 1,862.72
  4. Step 4: Simplify right side
    4,941.44x = 13,806,778.68
  5. Step 5: Solve for x
    x = 13,806,778.68/4,941.44
  6. Step 6: Final answer
    x = 2,794.08

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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.