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Finding the Fourth Proportional to 60,593.04, 90,894.42 and 21,149.28

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Solution

The fourth proportional to 60,593.04, 90,894.42 and 21,149.28 is: 31,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,593.04 : 90,894.42 = 21,149.28 : x
  2. Step 2: Convert to fraction form
    60,593.04/90,894.42 = 21,149.28/x
  3. Step 3: Cross multiply
    60,593.04x = 90,894.42 × 21,149.28
  4. Step 4: Simplify right side
    60,593.04x = 1,922,351,539.02
  5. Step 5: Solve for x
    x = 1,922,351,539.02/60,593.04
  6. Step 6: Final answer
    x = 31,725.62

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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.