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Finding the Fourth Proportional to 3,492.96, 5,238.72 and 1,027.26

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Solution

The fourth proportional to 3,492.96, 5,238.72 and 1,027.26 is: 1,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.96 : 5,238.72 = 1,027.26 : x
  2. Step 2: Convert to fraction form
    3,492.96/5,238.72 = 1,027.26/x
  3. Step 3: Cross multiply
    3,492.96x = 5,238.72 × 1,027.26
  4. Step 4: Simplify right side
    3,492.96x = 5,381,527.51
  5. Step 5: Solve for x
    x = 5,381,527.51/3,492.96
  6. Step 6: Final answer
    x = 1,540.68

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1.5x scale

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.