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Finding the Fourth Proportional to 22,316.25, 33,451.02 and 7,520.06

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Solution

The fourth proportional to 22,316.25, 33,451.02 and 7,520.06 is: 11,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.25 : 33,451.02 = 7,520.06 : x
  2. Step 2: Convert to fraction form
    22,316.25/33,451.02 = 7,520.06/x
  3. Step 3: Cross multiply
    22,316.25x = 33,451.02 × 7,520.06
  4. Step 4: Simplify right side
    22,316.25x = 251,553,593.83
  5. Step 5: Solve for x
    x = 251,553,593.83/22,316.25
  6. Step 6: Final answer
    x = 11,272.21

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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.