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Finding the Fourth Proportional to 56,951.56, 78,581.16 and 33,065.92

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Solution

The fourth proportional to 56,951.56, 78,581.16 and 33,065.92 is: 45,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.56 : 78,581.16 = 33,065.92 : x
  2. Step 2: Convert to fraction form
    56,951.56/78,581.16 = 33,065.92/x
  3. Step 3: Cross multiply
    56,951.56x = 78,581.16 × 33,065.92
  4. Step 4: Simplify right side
    56,951.56x = 2,598,358,350.07
  5. Step 5: Solve for x
    x = 2,598,358,350.07/56,951.56
  6. Step 6: Final answer
    x = 45,624.01

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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.