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Finding the Fourth Proportional to 56,968.56, 78,604.62 and 33,082.92

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Solution

The fourth proportional to 56,968.56, 78,604.62 and 33,082.92 is: 45,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,968.56 : 78,604.62 = 33,082.92 : x
  2. Step 2: Convert to fraction form
    56,968.56/78,604.62 = 33,082.92/x
  3. Step 3: Cross multiply
    56,968.56x = 78,604.62 × 33,082.92
  4. Step 4: Simplify right side
    56,968.56x = 2,600,470,355.09
  5. Step 5: Solve for x
    x = 2,600,470,355.09/56,968.56
  6. Step 6: Final answer
    x = 45,647.47

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1.5x scale

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.