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Finding the Fourth Proportional to 3,510, 5,266.08 and 1,563.30

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Solution

The fourth proportional to 3,510, 5,266.08 and 1,563.30 is: 2,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510 : 5,266.08 = 1,563.30 : x
  2. Step 2: Convert to fraction form
    3,510/5,266.08 = 1,563.30/x
  3. Step 3: Cross multiply
    3,510x = 5,266.08 × 1,563.30
  4. Step 4: Simplify right side
    3,510x = 8,232,462.86
  5. Step 5: Solve for x
    x = 8,232,462.86/3,510
  6. Step 6: Final answer
    x = 2,345.43

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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.