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Finding the Fourth Proportional to 60,911.60, 91,356.22 and 27,623.66

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Solution

The fourth proportional to 60,911.60, 91,356.22 and 27,623.66 is: 41,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,911.60 : 91,356.22 = 27,623.66 : x
  2. Step 2: Convert to fraction form
    60,911.60/91,356.22 = 27,623.66/x
  3. Step 3: Cross multiply
    60,911.60x = 91,356.22 × 27,623.66
  4. Step 4: Simplify right side
    60,911.60x = 2,523,593,160.17
  5. Step 5: Solve for x
    x = 2,523,593,160.17/60,911.60
  6. Step 6: Final answer
    x = 41,430.42

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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.