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Finding the Fourth Proportional to 22,225.92, 33,344.04 and 6,643.92

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Solution

The fourth proportional to 22,225.92, 33,344.04 and 6,643.92 is: 9,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.92 : 33,344.04 = 6,643.92 : x
  2. Step 2: Convert to fraction form
    22,225.92/33,344.04 = 6,643.92/x
  3. Step 3: Cross multiply
    22,225.92x = 33,344.04 × 6,643.92
  4. Step 4: Simplify right side
    22,225.92x = 221,535,134.24
  5. Step 5: Solve for x
    x = 221,535,134.24/22,225.92
  6. Step 6: Final answer
    x = 9,967.42

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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.