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Finding the Fourth Proportional to 52,546.70, 78,690.45 and 34,921.10

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Solution

The fourth proportional to 52,546.70, 78,690.45 and 34,921.10 is: 52,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,546.70 : 78,690.45 = 34,921.10 : x
  2. Step 2: Convert to fraction form
    52,546.70/78,690.45 = 34,921.10/x
  3. Step 3: Cross multiply
    52,546.70x = 78,690.45 × 34,921.10
  4. Step 4: Simplify right side
    52,546.70x = 2,747,957,073.50
  5. Step 5: Solve for x
    x = 2,747,957,073.50/52,546.70
  6. Step 6: Final answer
    x = 52,295.52

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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.