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Finding the Fourth Proportional to 60,663.44, 91,013.24 and 43,834.48

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Solution

The fourth proportional to 60,663.44, 91,013.24 and 43,834.48 is: 65,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,663.44 : 91,013.24 = 43,834.48 : x
  2. Step 2: Convert to fraction form
    60,663.44/91,013.24 = 43,834.48/x
  3. Step 3: Cross multiply
    60,663.44x = 91,013.24 × 43,834.48
  4. Step 4: Simplify right side
    60,663.44x = 3,989,517,374.28
  5. Step 5: Solve for x
    x = 3,989,517,374.28/60,663.44
  6. Step 6: Final answer
    x = 65,764.77

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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.