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Finding the Fourth Proportional to 22,639.45, 33,965.04 and 8,599.72

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Solution

The fourth proportional to 22,639.45, 33,965.04 and 8,599.72 is: 12,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.45 : 33,965.04 = 8,599.72 : x
  2. Step 2: Convert to fraction form
    22,639.45/33,965.04 = 8,599.72/x
  3. Step 3: Cross multiply
    22,639.45x = 33,965.04 × 8,599.72
  4. Step 4: Simplify right side
    22,639.45x = 292,089,833.79
  5. Step 5: Solve for x
    x = 292,089,833.79/22,639.45
  6. Step 6: Final answer
    x = 12,901.81

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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.