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Finding the Fourth Proportional to 1,251.99, 1,876.29 and 1,018.26

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Solution

The fourth proportional to 1,251.99, 1,876.29 and 1,018.26 is: 1,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.99 : 1,876.29 = 1,018.26 : x
  2. Step 2: Convert to fraction form
    1,251.99/1,876.29 = 1,018.26/x
  3. Step 3: Cross multiply
    1,251.99x = 1,876.29 × 1,018.26
  4. Step 4: Simplify right side
    1,251.99x = 1,910,551.06
  5. Step 5: Solve for x
    x = 1,910,551.06/1,251.99
  6. Step 6: Final answer
    x = 1,526.01

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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.