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Finding the Fourth Proportional to 6,635.22, 9,952.38 and 4,789.68

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Solution

The fourth proportional to 6,635.22, 9,952.38 and 4,789.68 is: 7,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.22 : 9,952.38 = 4,789.68 : x
  2. Step 2: Convert to fraction form
    6,635.22/9,952.38 = 4,789.68/x
  3. Step 3: Cross multiply
    6,635.22x = 9,952.38 × 4,789.68
  4. Step 4: Simplify right side
    6,635.22x = 47,668,715.44
  5. Step 5: Solve for x
    x = 47,668,715.44/6,635.22
  6. Step 6: Final answer
    x = 7,184.20

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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.