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Finding the Fourth Proportional to 60,168.25, 90,257.24 and 18,615.25

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Solution

The fourth proportional to 60,168.25, 90,257.24 and 18,615.25 is: 27,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,168.25 : 90,257.24 = 18,615.25 : x
  2. Step 2: Convert to fraction form
    60,168.25/90,257.24 = 18,615.25/x
  3. Step 3: Cross multiply
    60,168.25x = 90,257.24 × 18,615.25
  4. Step 4: Simplify right side
    60,168.25x = 1,680,161,086.91
  5. Step 5: Solve for x
    x = 1,680,161,086.91/60,168.25
  6. Step 6: Final answer
    x = 27,924.38

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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.