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Finding the Fourth Proportional to 1,702.08, 2,550.24 and 825.01

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Solution

The fourth proportional to 1,702.08, 2,550.24 and 825.01 is: 1,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.08 : 2,550.24 = 825.01 : x
  2. Step 2: Convert to fraction form
    1,702.08/2,550.24 = 825.01/x
  3. Step 3: Cross multiply
    1,702.08x = 2,550.24 × 825.01
  4. Step 4: Simplify right side
    1,702.08x = 2,103,967.13
  5. Step 5: Solve for x
    x = 2,103,967.13/1,702.08
  6. Step 6: Final answer
    x = 1,236.12

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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.