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Finding the Fourth Proportional to 8,576.93, 12,856.68 and 5,803.88

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Solution

The fourth proportional to 8,576.93, 12,856.68 and 5,803.88 is: 8,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.93 : 12,856.68 = 5,803.88 : x
  2. Step 2: Convert to fraction form
    8,576.93/12,856.68 = 5,803.88/x
  3. Step 3: Cross multiply
    8,576.93x = 12,856.68 × 5,803.88
  4. Step 4: Simplify right side
    8,576.93x = 74,618,660.06
  5. Step 5: Solve for x
    x = 74,618,660.06/8,576.93
  6. Step 6: Final answer
    x = 8,699.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.