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Finding the Fourth Proportional to 61,599.56, 85,029.24 and 36,449

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Solution

The fourth proportional to 61,599.56, 85,029.24 and 36,449 is: 50,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.56 : 85,029.24 = 36,449 : x
  2. Step 2: Convert to fraction form
    61,599.56/85,029.24 = 36,449/x
  3. Step 3: Cross multiply
    61,599.56x = 85,029.24 × 36,449
  4. Step 4: Simplify right side
    61,599.56x = 3,099,230,768.76
  5. Step 5: Solve for x
    x = 3,099,230,768.76/61,599.56
  6. Step 6: Final answer
    x = 50,312.55

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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.