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Finding the Fourth Proportional to 2,371.23, 3,557.01 and 910.38

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Solution

The fourth proportional to 2,371.23, 3,557.01 and 910.38 is: 1,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.23 : 3,557.01 = 910.38 : x
  2. Step 2: Convert to fraction form
    2,371.23/3,557.01 = 910.38/x
  3. Step 3: Cross multiply
    2,371.23x = 3,557.01 × 910.38
  4. Step 4: Simplify right side
    2,371.23x = 3,238,233.76
  5. Step 5: Solve for x
    x = 3,238,233.76/2,371.23
  6. Step 6: Final answer
    x = 1,365.64

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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.