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Finding the Fourth Proportional to 84,010.32, 125,968.90 and 33,357.98

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Solution

The fourth proportional to 84,010.32, 125,968.90 and 33,357.98 is: 50,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.32 : 125,968.90 = 33,357.98 : x
  2. Step 2: Convert to fraction form
    84,010.32/125,968.90 = 33,357.98/x
  3. Step 3: Cross multiply
    84,010.32x = 125,968.90 × 33,357.98
  4. Step 4: Simplify right side
    84,010.32x = 4,202,068,046.82
  5. Step 5: Solve for x
    x = 4,202,068,046.82/84,010.32
  6. Step 6: Final answer
    x = 50,018.47

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1.5x scale

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.