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Finding the Fourth Proportional to 34,394.66, 47,467.44 and 20,250.30

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Solution

The fourth proportional to 34,394.66, 47,467.44 and 20,250.30 is: 27,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.66 : 47,467.44 = 20,250.30 : x
  2. Step 2: Convert to fraction form
    34,394.66/47,467.44 = 20,250.30/x
  3. Step 3: Cross multiply
    34,394.66x = 47,467.44 × 20,250.30
  4. Step 4: Simplify right side
    34,394.66x = 961,229,900.23
  5. Step 5: Solve for x
    x = 961,229,900.23/34,394.66
  6. Step 6: Final answer
    x = 27,947.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.