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Finding the Fourth Proportional to 61,856.94, 85,362.75 and 33,562.56

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Solution

The fourth proportional to 61,856.94, 85,362.75 and 33,562.56 is: 46,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,856.94 : 85,362.75 = 33,562.56 : x
  2. Step 2: Convert to fraction form
    61,856.94/85,362.75 = 33,562.56/x
  3. Step 3: Cross multiply
    61,856.94x = 85,362.75 × 33,562.56
  4. Step 4: Simplify right side
    61,856.94x = 2,864,992,418.64
  5. Step 5: Solve for x
    x = 2,864,992,418.64/61,856.94
  6. Step 6: Final answer
    x = 46,316.43

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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.