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Finding the Fourth Proportional to 29,133.60, 43,700.40 and 27,165.30

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Solution

The fourth proportional to 29,133.60, 43,700.40 and 27,165.30 is: 40,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.60 : 43,700.40 = 27,165.30 : x
  2. Step 2: Convert to fraction form
    29,133.60/43,700.40 = 27,165.30/x
  3. Step 3: Cross multiply
    29,133.60x = 43,700.40 × 27,165.30
  4. Step 4: Simplify right side
    29,133.60x = 1,187,134,476.12
  5. Step 5: Solve for x
    x = 1,187,134,476.12/29,133.60
  6. Step 6: Final answer
    x = 40,747.95

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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.