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Finding the Fourth Proportional to 61,599.88, 85,007.77 and 33,305.50

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Solution

The fourth proportional to 61,599.88, 85,007.77 and 33,305.50 is: 45,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.88 : 85,007.77 = 33,305.50 : x
  2. Step 2: Convert to fraction form
    61,599.88/85,007.77 = 33,305.50/x
  3. Step 3: Cross multiply
    61,599.88x = 85,007.77 × 33,305.50
  4. Step 4: Simplify right side
    61,599.88x = 2,831,226,283.74
  5. Step 5: Solve for x
    x = 2,831,226,283.74/61,599.88
  6. Step 6: Final answer
    x = 45,961.56

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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.