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Finding the Fourth Proportional to 66,354.44, 91,550.58 and 38,049.80

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Solution

The fourth proportional to 66,354.44, 91,550.58 and 38,049.80 is: 52,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,354.44 : 91,550.58 = 38,049.80 : x
  2. Step 2: Convert to fraction form
    66,354.44/91,550.58 = 38,049.80/x
  3. Step 3: Cross multiply
    66,354.44x = 91,550.58 × 38,049.80
  4. Step 4: Simplify right side
    66,354.44x = 3,483,481,258.88
  5. Step 5: Solve for x
    x = 3,483,481,258.88/66,354.44
  6. Step 6: Final answer
    x = 52,498.09

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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.