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Finding the Fourth Proportional to 1,774.93, 2,662.26 and 734.68

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Solution

The fourth proportional to 1,774.93, 2,662.26 and 734.68 is: 1,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.93 : 2,662.26 = 734.68 : x
  2. Step 2: Convert to fraction form
    1,774.93/2,662.26 = 734.68/x
  3. Step 3: Cross multiply
    1,774.93x = 2,662.26 × 734.68
  4. Step 4: Simplify right side
    1,774.93x = 1,955,909.18
  5. Step 5: Solve for x
    x = 1,955,909.18/1,774.93
  6. Step 6: Final answer
    x = 1,101.96

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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.