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Finding the Fourth Proportional to 39,732.80, 59,512.80 and 34,548.80

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Solution

The fourth proportional to 39,732.80, 59,512.80 and 34,548.80 is: 51,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.80 : 59,512.80 = 34,548.80 : x
  2. Step 2: Convert to fraction form
    39,732.80/59,512.80 = 34,548.80/x
  3. Step 3: Cross multiply
    39,732.80x = 59,512.80 × 34,548.80
  4. Step 4: Simplify right side
    39,732.80x = 2,056,095,824.64
  5. Step 5: Solve for x
    x = 2,056,095,824.64/39,732.80
  6. Step 6: Final answer
    x = 51,748.07

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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.