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Finding the Fourth Proportional to 61,608.32, 85,019.46 and 33,314

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Solution

The fourth proportional to 61,608.32, 85,019.46 and 33,314 is: 45,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.32 : 85,019.46 = 33,314 : x
  2. Step 2: Convert to fraction form
    61,608.32/85,019.46 = 33,314/x
  3. Step 3: Cross multiply
    61,608.32x = 85,019.46 × 33,314
  4. Step 4: Simplify right side
    61,608.32x = 2,832,338,290.44
  5. Step 5: Solve for x
    x = 2,832,338,290.44/61,608.32
  6. Step 6: Final answer
    x = 45,973.31

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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.