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Finding the Fourth Proportional to 22,409.97, 33,615.15 and 6,399.46

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Solution

The fourth proportional to 22,409.97, 33,615.15 and 6,399.46 is: 9,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.97 : 33,615.15 = 6,399.46 : x
  2. Step 2: Convert to fraction form
    22,409.97/33,615.15 = 6,399.46/x
  3. Step 3: Cross multiply
    22,409.97x = 33,615.15 × 6,399.46
  4. Step 4: Simplify right side
    22,409.97x = 215,118,901.88
  5. Step 5: Solve for x
    x = 215,118,901.88/22,409.97
  6. Step 6: Final answer
    x = 9,599.25

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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.