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Finding the Fourth Proportional to 65,957.73, 91,035.42 and 60,644.13

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Solution

The fourth proportional to 65,957.73, 91,035.42 and 60,644.13 is: 83,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,957.73 : 91,035.42 = 60,644.13 : x
  2. Step 2: Convert to fraction form
    65,957.73/91,035.42 = 60,644.13/x
  3. Step 3: Cross multiply
    65,957.73x = 91,035.42 × 60,644.13
  4. Step 4: Simplify right side
    65,957.73x = 5,520,763,845.08
  5. Step 5: Solve for x
    x = 5,520,763,845.08/65,957.73
  6. Step 6: Final answer
    x = 83,701.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.