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Finding the Fourth Proportional to 89,479.62, 134,218.71 and 22,011.32

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Solution

The fourth proportional to 89,479.62, 134,218.71 and 22,011.32 is: 33,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,479.62 : 134,218.71 = 22,011.32 : x
  2. Step 2: Convert to fraction form
    89,479.62/134,218.71 = 22,011.32/x
  3. Step 3: Cross multiply
    89,479.62x = 134,218.71 × 22,011.32
  4. Step 4: Simplify right side
    89,479.62x = 2,954,331,311.34
  5. Step 5: Solve for x
    x = 2,954,331,311.34/89,479.62
  6. Step 6: Final answer
    x = 33,016.81

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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.