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Finding the Fourth Proportional to 56,738.92, 85,079.90 and 33,054.12

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Solution

The fourth proportional to 56,738.92, 85,079.90 and 33,054.12 is: 49,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,738.92 : 85,079.90 = 33,054.12 : x
  2. Step 2: Convert to fraction form
    56,738.92/85,079.90 = 33,054.12/x
  3. Step 3: Cross multiply
    56,738.92x = 85,079.90 × 33,054.12
  4. Step 4: Simplify right side
    56,738.92x = 2,812,241,224.19
  5. Step 5: Solve for x
    x = 2,812,241,224.19/56,738.92
  6. Step 6: Final answer
    x = 49,564.59

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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.