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Finding the Fourth Proportional to 3,891.03, 5,838.98 and 1,582.53

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Solution

The fourth proportional to 3,891.03, 5,838.98 and 1,582.53 is: 2,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.03 : 5,838.98 = 1,582.53 : x
  2. Step 2: Convert to fraction form
    3,891.03/5,838.98 = 1,582.53/x
  3. Step 3: Cross multiply
    3,891.03x = 5,838.98 × 1,582.53
  4. Step 4: Simplify right side
    3,891.03x = 9,240,361.02
  5. Step 5: Solve for x
    x = 9,240,361.02/3,891.03
  6. Step 6: Final answer
    x = 2,374.79

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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.