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Finding the Fourth Proportional to 60,228.59, 90,355.82 and 18,105.17

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Solution

The fourth proportional to 60,228.59, 90,355.82 and 18,105.17 is: 27,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,228.59 : 90,355.82 = 18,105.17 : x
  2. Step 2: Convert to fraction form
    60,228.59/90,355.82 = 18,105.17/x
  3. Step 3: Cross multiply
    60,228.59x = 90,355.82 × 18,105.17
  4. Step 4: Simplify right side
    60,228.59x = 1,635,906,939.28
  5. Step 5: Solve for x
    x = 1,635,906,939.28/60,228.59
  6. Step 6: Final answer
    x = 27,161.64

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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.