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Finding the Fourth Proportional to 22,293.64, 33,405.90 and 9,134.92

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Solution

The fourth proportional to 22,293.64, 33,405.90 and 9,134.92 is: 13,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.64 : 33,405.90 = 9,134.92 : x
  2. Step 2: Convert to fraction form
    22,293.64/33,405.90 = 9,134.92/x
  3. Step 3: Cross multiply
    22,293.64x = 33,405.90 × 9,134.92
  4. Step 4: Simplify right side
    22,293.64x = 305,160,224.03
  5. Step 5: Solve for x
    x = 305,160,224.03/22,293.64
  6. Step 6: Final answer
    x = 13,688.22

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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.