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Finding the Fourth Proportional to 45,963.80, 68,811.30 and 34,328.60

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Solution

The fourth proportional to 45,963.80, 68,811.30 and 34,328.60 is: 51,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,963.80 : 68,811.30 = 34,328.60 : x
  2. Step 2: Convert to fraction form
    45,963.80/68,811.30 = 34,328.60/x
  3. Step 3: Cross multiply
    45,963.80x = 68,811.30 × 34,328.60
  4. Step 4: Simplify right side
    45,963.80x = 2,362,195,593.18
  5. Step 5: Solve for x
    x = 2,362,195,593.18/45,963.80
  6. Step 6: Final answer
    x = 51,392.52

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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.