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Finding the Fourth Proportional to 1,795.24, 2,693.76 and 641.08

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Solution

The fourth proportional to 1,795.24, 2,693.76 and 641.08 is: 961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.24 : 2,693.76 = 641.08 : x
  2. Step 2: Convert to fraction form
    1,795.24/2,693.76 = 641.08/x
  3. Step 3: Cross multiply
    1,795.24x = 2,693.76 × 641.08
  4. Step 4: Simplify right side
    1,795.24x = 1,726,915.66
  5. Step 5: Solve for x
    x = 1,726,915.66/1,795.24
  6. Step 6: Final answer
    x = 961.94

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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.