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Finding the Fourth Proportional to 64,022.48, 88,351.10 and 35,728.16

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Solution

The fourth proportional to 64,022.48, 88,351.10 and 35,728.16 is: 49,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.48 : 88,351.10 = 35,728.16 : x
  2. Step 2: Convert to fraction form
    64,022.48/88,351.10 = 35,728.16/x
  3. Step 3: Cross multiply
    64,022.48x = 88,351.10 × 35,728.16
  4. Step 4: Simplify right side
    64,022.48x = 3,156,622,236.98
  5. Step 5: Solve for x
    x = 3,156,622,236.98/64,022.48
  6. Step 6: Final answer
    x = 49,304.90

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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.