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Finding the Fourth Proportional to 1,550.76, 2,325.20 and 563.10

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Solution

The fourth proportional to 1,550.76, 2,325.20 and 563.10 is: 844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.76 : 2,325.20 = 563.10 : x
  2. Step 2: Convert to fraction form
    1,550.76/2,325.20 = 563.10/x
  3. Step 3: Cross multiply
    1,550.76x = 2,325.20 × 563.10
  4. Step 4: Simplify right side
    1,550.76x = 1,309,320.12
  5. Step 5: Solve for x
    x = 1,309,320.12/1,550.76
  6. Step 6: Final answer
    x = 844.31

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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.