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Finding the Fourth Proportional to 3,838.58, 5,753.06 and 1,644.74

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Solution

The fourth proportional to 3,838.58, 5,753.06 and 1,644.74 is: 2,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.58 : 5,753.06 = 1,644.74 : x
  2. Step 2: Convert to fraction form
    3,838.58/5,753.06 = 1,644.74/x
  3. Step 3: Cross multiply
    3,838.58x = 5,753.06 × 1,644.74
  4. Step 4: Simplify right side
    3,838.58x = 9,462,287.90
  5. Step 5: Solve for x
    x = 9,462,287.90/3,838.58
  6. Step 6: Final answer
    x = 2,465.05

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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.