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Finding the Fourth Proportional to 48,827.80, 73,241.70 and 29,128.60

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Solution

The fourth proportional to 48,827.80, 73,241.70 and 29,128.60 is: 43,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,827.80 : 73,241.70 = 29,128.60 : x
  2. Step 2: Convert to fraction form
    48,827.80/73,241.70 = 29,128.60/x
  3. Step 3: Cross multiply
    48,827.80x = 73,241.70 × 29,128.60
  4. Step 4: Simplify right side
    48,827.80x = 2,133,428,182.62
  5. Step 5: Solve for x
    x = 2,133,428,182.62/48,827.80
  6. Step 6: Final answer
    x = 43,692.90

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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.