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Finding the Fourth Proportional to 63,963.76, 88,269.33 and 35,283.28

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Solution

The fourth proportional to 63,963.76, 88,269.33 and 35,283.28 is: 48,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,963.76 : 88,269.33 = 35,283.28 : x
  2. Step 2: Convert to fraction form
    63,963.76/88,269.33 = 35,283.28/x
  3. Step 3: Cross multiply
    63,963.76x = 88,269.33 × 35,283.28
  4. Step 4: Simplify right side
    63,963.76x = 3,114,431,485.80
  5. Step 5: Solve for x
    x = 3,114,431,485.80/63,963.76
  6. Step 6: Final answer
    x = 48,690.56

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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.