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Finding the Fourth Proportional to 56,951.21, 78,579.25 and 33,063.71

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Solution

The fourth proportional to 56,951.21, 78,579.25 and 33,063.71 is: 45,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.21 : 78,579.25 = 33,063.71 : x
  2. Step 2: Convert to fraction form
    56,951.21/78,579.25 = 33,063.71/x
  3. Step 3: Cross multiply
    56,951.21x = 78,579.25 × 33,063.71
  4. Step 4: Simplify right side
    56,951.21x = 2,598,121,058.46
  5. Step 5: Solve for x
    x = 2,598,121,058.46/56,951.21
  6. Step 6: Final answer
    x = 45,620.12

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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.