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Finding the Fourth Proportional to 1,902.31, 2,625.14 and 1,063.01

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Solution

The fourth proportional to 1,902.31, 2,625.14 and 1,063.01 is: 1,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.31 : 2,625.14 = 1,063.01 : x
  2. Step 2: Convert to fraction form
    1,902.31/2,625.14 = 1,063.01/x
  3. Step 3: Cross multiply
    1,902.31x = 2,625.14 × 1,063.01
  4. Step 4: Simplify right side
    1,902.31x = 2,790,559.29
  5. Step 5: Solve for x
    x = 2,790,559.29/1,902.31
  6. Step 6: Final answer
    x = 1,466.93

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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.