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Finding the Fourth Proportional to 52,774.20, 79,218.90 and 29,446.20

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Solution

The fourth proportional to 52,774.20, 79,218.90 and 29,446.20 is: 44,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,774.20 : 79,218.90 = 29,446.20 : x
  2. Step 2: Convert to fraction form
    52,774.20/79,218.90 = 29,446.20/x
  3. Step 3: Cross multiply
    52,774.20x = 79,218.90 × 29,446.20
  4. Step 4: Simplify right side
    52,774.20x = 2,332,695,573.18
  5. Step 5: Solve for x
    x = 2,332,695,573.18/52,774.20
  6. Step 6: Final answer
    x = 44,201.44

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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.