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Finding the Fourth Proportional to 22,290.62, 33,423.84 and 9,796.01

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Solution

The fourth proportional to 22,290.62, 33,423.84 and 9,796.01 is: 14,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.62 : 33,423.84 = 9,796.01 : x
  2. Step 2: Convert to fraction form
    22,290.62/33,423.84 = 9,796.01/x
  3. Step 3: Cross multiply
    22,290.62x = 33,423.84 × 9,796.01
  4. Step 4: Simplify right side
    22,290.62x = 327,420,265.83
  5. Step 5: Solve for x
    x = 327,420,265.83/22,290.62
  6. Step 6: Final answer
    x = 14,688.70

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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.