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Finding the Fourth Proportional to 17,266.83, 25,900.31 and 4,787.83

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Solution

The fourth proportional to 17,266.83, 25,900.31 and 4,787.83 is: 7,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266.83 : 25,900.31 = 4,787.83 : x
  2. Step 2: Convert to fraction form
    17,266.83/25,900.31 = 4,787.83/x
  3. Step 3: Cross multiply
    17,266.83x = 25,900.31 × 4,787.83
  4. Step 4: Simplify right side
    17,266.83x = 124,006,281.23
  5. Step 5: Solve for x
    x = 124,006,281.23/17,266.83
  6. Step 6: Final answer
    x = 7,181.76

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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.