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Finding the Fourth Proportional to 4,568.78, 6,837.36 and 2,813.10

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Solution

The fourth proportional to 4,568.78, 6,837.36 and 2,813.10 is: 4,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,568.78 : 6,837.36 = 2,813.10 : x
  2. Step 2: Convert to fraction form
    4,568.78/6,837.36 = 2,813.10/x
  3. Step 3: Cross multiply
    4,568.78x = 6,837.36 × 2,813.10
  4. Step 4: Simplify right side
    4,568.78x = 19,234,177.42
  5. Step 5: Solve for x
    x = 19,234,177.42/4,568.78
  6. Step 6: Final answer
    x = 4,209.92

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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.