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Finding the Fourth Proportional to 60,655.61, 90,914.40 and 36,910.79

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Solution

The fourth proportional to 60,655.61, 90,914.40 and 36,910.79 is: 55,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.61 : 90,914.40 = 36,910.79 : x
  2. Step 2: Convert to fraction form
    60,655.61/90,914.40 = 36,910.79/x
  3. Step 3: Cross multiply
    60,655.61x = 90,914.40 × 36,910.79
  4. Step 4: Simplify right side
    60,655.61x = 3,355,722,212.73
  5. Step 5: Solve for x
    x = 3,355,722,212.73/60,655.61
  6. Step 6: Final answer
    x = 55,324.18

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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.