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Finding the Fourth Proportional to 6,635.76, 9,953.88 and 4,882.92

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Solution

The fourth proportional to 6,635.76, 9,953.88 and 4,882.92 is: 7,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.76 : 9,953.88 = 4,882.92 : x
  2. Step 2: Convert to fraction form
    6,635.76/9,953.88 = 4,882.92/x
  3. Step 3: Cross multiply
    6,635.76x = 9,953.88 × 4,882.92
  4. Step 4: Simplify right side
    6,635.76x = 48,603,999.73
  5. Step 5: Solve for x
    x = 48,603,999.73/6,635.76
  6. Step 6: Final answer
    x = 7,324.56

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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.