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Finding the Fourth Proportional to 48,066, 66,331.08 and 29,199.48

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Solution

The fourth proportional to 48,066, 66,331.08 and 29,199.48 is: 40,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,066 : 66,331.08 = 29,199.48 : x
  2. Step 2: Convert to fraction form
    48,066/66,331.08 = 29,199.48/x
  3. Step 3: Cross multiply
    48,066x = 66,331.08 × 29,199.48
  4. Step 4: Simplify right side
    48,066x = 1,936,833,043.84
  5. Step 5: Solve for x
    x = 1,936,833,043.84/48,066
  6. Step 6: Final answer
    x = 40,295.28

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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.