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Finding the Fourth Proportional to 61,027.88, 91,541.83 and 29,432.05

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Solution

The fourth proportional to 61,027.88, 91,541.83 and 29,432.05 is: 44,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,027.88 : 91,541.83 = 29,432.05 : x
  2. Step 2: Convert to fraction form
    61,027.88/91,541.83 = 29,432.05/x
  3. Step 3: Cross multiply
    61,027.88x = 91,541.83 × 29,432.05
  4. Step 4: Simplify right side
    61,027.88x = 2,694,263,985.32
  5. Step 5: Solve for x
    x = 2,694,263,985.32/61,027.88
  6. Step 6: Final answer
    x = 44,148.09

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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.