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Finding the Fourth Proportional to 1,473.91, 2,208.02 and 825.10

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Solution

The fourth proportional to 1,473.91, 2,208.02 and 825.10 is: 1,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.91 : 2,208.02 = 825.10 : x
  2. Step 2: Convert to fraction form
    1,473.91/2,208.02 = 825.10/x
  3. Step 3: Cross multiply
    1,473.91x = 2,208.02 × 825.10
  4. Step 4: Simplify right side
    1,473.91x = 1,821,822.14
  5. Step 5: Solve for x
    x = 1,821,822.14/1,473.91
  6. Step 6: Final answer
    x = 1,236.05

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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.