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Finding the Fourth Proportional to 22,510.74, 33,764.47 and 9,861.78

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Solution

The fourth proportional to 22,510.74, 33,764.47 and 9,861.78 is: 14,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.74 : 33,764.47 = 9,861.78 : x
  2. Step 2: Convert to fraction form
    22,510.74/33,764.47 = 9,861.78/x
  3. Step 3: Cross multiply
    22,510.74x = 33,764.47 × 9,861.78
  4. Step 4: Simplify right side
    22,510.74x = 332,977,774.96
  5. Step 5: Solve for x
    x = 332,977,774.96/22,510.74
  6. Step 6: Final answer
    x = 14,791.95

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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.