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Finding the Fourth Proportional to 15,216.76, 22,833.78 and 6,450.76

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Solution

The fourth proportional to 15,216.76, 22,833.78 and 6,450.76 is: 9,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.76 : 22,833.78 = 6,450.76 : x
  2. Step 2: Convert to fraction form
    15,216.76/22,833.78 = 6,450.76/x
  3. Step 3: Cross multiply
    15,216.76x = 22,833.78 × 6,450.76
  4. Step 4: Simplify right side
    15,216.76x = 147,295,234.67
  5. Step 5: Solve for x
    x = 147,295,234.67/15,216.76
  6. Step 6: Final answer
    x = 9,679.80

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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.