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Finding the Fourth Proportional to 3,492.74, 5,239.64 and 1,027.27

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Solution

The fourth proportional to 3,492.74, 5,239.64 and 1,027.27 is: 1,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.74 : 5,239.64 = 1,027.27 : x
  2. Step 2: Convert to fraction form
    3,492.74/5,239.64 = 1,027.27/x
  3. Step 3: Cross multiply
    3,492.74x = 5,239.64 × 1,027.27
  4. Step 4: Simplify right side
    3,492.74x = 5,382,524.98
  5. Step 5: Solve for x
    x = 5,382,524.98/3,492.74
  6. Step 6: Final answer
    x = 1,541.06

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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.