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Finding the Fourth Proportional to 2,469.08, 3,702.54 and 929

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Solution

The fourth proportional to 2,469.08, 3,702.54 and 929 is: 1,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.08 : 3,702.54 = 929 : x
  2. Step 2: Convert to fraction form
    2,469.08/3,702.54 = 929/x
  3. Step 3: Cross multiply
    2,469.08x = 3,702.54 × 929
  4. Step 4: Simplify right side
    2,469.08x = 3,439,659.66
  5. Step 5: Solve for x
    x = 3,439,659.66/2,469.08
  6. Step 6: Final answer
    x = 1,393.09

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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.