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Finding the Fourth Proportional to 3,833.14, 5,748.49 and 1,641.28

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Solution

The fourth proportional to 3,833.14, 5,748.49 and 1,641.28 is: 2,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.14 : 5,748.49 = 1,641.28 : x
  2. Step 2: Convert to fraction form
    3,833.14/5,748.49 = 1,641.28/x
  3. Step 3: Cross multiply
    3,833.14x = 5,748.49 × 1,641.28
  4. Step 4: Simplify right side
    3,833.14x = 9,434,881.67
  5. Step 5: Solve for x
    x = 9,434,881.67/3,833.14
  6. Step 6: Final answer
    x = 2,461.40

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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.