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Finding the Fourth Proportional to 60,553.28, 90,824.16 and 18,992.96

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Solution

The fourth proportional to 60,553.28, 90,824.16 and 18,992.96 is: 28,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,553.28 : 90,824.16 = 18,992.96 : x
  2. Step 2: Convert to fraction form
    60,553.28/90,824.16 = 18,992.96/x
  3. Step 3: Cross multiply
    60,553.28x = 90,824.16 × 18,992.96
  4. Step 4: Simplify right side
    60,553.28x = 1,725,019,637.91
  5. Step 5: Solve for x
    x = 1,725,019,637.91/60,553.28
  6. Step 6: Final answer
    x = 28,487.63

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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.