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Finding the Fourth Proportional to 22,011.70, 33,017.58 and 8,861.02

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Solution

The fourth proportional to 22,011.70, 33,017.58 and 8,861.02 is: 13,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.70 : 33,017.58 = 8,861.02 : x
  2. Step 2: Convert to fraction form
    22,011.70/33,017.58 = 8,861.02/x
  3. Step 3: Cross multiply
    22,011.70x = 33,017.58 × 8,861.02
  4. Step 4: Simplify right side
    22,011.70x = 292,569,436.73
  5. Step 5: Solve for x
    x = 292,569,436.73/22,011.70
  6. Step 6: Final answer
    x = 13,291.54

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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.