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Finding the Fourth Proportional to 3,926.99, 5,419.62 and 2,248.53

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Solution

The fourth proportional to 3,926.99, 5,419.62 and 2,248.53 is: 3,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.99 : 5,419.62 = 2,248.53 : x
  2. Step 2: Convert to fraction form
    3,926.99/5,419.62 = 2,248.53/x
  3. Step 3: Cross multiply
    3,926.99x = 5,419.62 × 2,248.53
  4. Step 4: Simplify right side
    3,926.99x = 12,186,178.16
  5. Step 5: Solve for x
    x = 12,186,178.16/3,926.99
  6. Step 6: Final answer
    x = 3,103.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.