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Finding the Fourth Proportional to 69,134.64, 103,706.28 and 22,392.24

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Solution

The fourth proportional to 69,134.64, 103,706.28 and 22,392.24 is: 33,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,134.64 : 103,706.28 = 22,392.24 : x
  2. Step 2: Convert to fraction form
    69,134.64/103,706.28 = 22,392.24/x
  3. Step 3: Cross multiply
    69,134.64x = 103,706.28 × 22,392.24
  4. Step 4: Simplify right side
    69,134.64x = 2,322,215,911.27
  5. Step 5: Solve for x
    x = 2,322,215,911.27/69,134.64
  6. Step 6: Final answer
    x = 33,589.76

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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.