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Finding the Fourth Proportional to 60,940.61, 91,422.35 and 27,663.01

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Solution

The fourth proportional to 60,940.61, 91,422.35 and 27,663.01 is: 41,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.61 : 91,422.35 = 27,663.01 : x
  2. Step 2: Convert to fraction form
    60,940.61/91,422.35 = 27,663.01/x
  3. Step 3: Cross multiply
    60,940.61x = 91,422.35 × 27,663.01
  4. Step 4: Simplify right side
    60,940.61x = 2,529,017,222.88
  5. Step 5: Solve for x
    x = 2,529,017,222.88/60,940.61
  6. Step 6: Final answer
    x = 41,499.71

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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.