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Finding the Fourth Proportional to 3,492.55, 5,238.87 and 895.42

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Solution

The fourth proportional to 3,492.55, 5,238.87 and 895.42 is: 1,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.55 : 5,238.87 = 895.42 : x
  2. Step 2: Convert to fraction form
    3,492.55/5,238.87 = 895.42/x
  3. Step 3: Cross multiply
    3,492.55x = 5,238.87 × 895.42
  4. Step 4: Simplify right side
    3,492.55x = 4,690,988.98
  5. Step 5: Solve for x
    x = 4,690,988.98/3,492.55
  6. Step 6: Final answer
    x = 1,343.14

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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.