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Finding the Fourth Proportional to 8,754.41, 12,082.47 and 5,219.69

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Solution

The fourth proportional to 8,754.41, 12,082.47 and 5,219.69 is: 7,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.41 : 12,082.47 = 5,219.69 : x
  2. Step 2: Convert to fraction form
    8,754.41/12,082.47 = 5,219.69/x
  3. Step 3: Cross multiply
    8,754.41x = 12,082.47 × 5,219.69
  4. Step 4: Simplify right side
    8,754.41x = 63,066,747.83
  5. Step 5: Solve for x
    x = 63,066,747.83/8,754.41
  6. Step 6: Final answer
    x = 7,204.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.