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Finding the Fourth Proportional to 1,774.51, 2,662.37 and 735.08

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Solution

The fourth proportional to 1,774.51, 2,662.37 and 735.08 is: 1,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.51 : 2,662.37 = 735.08 : x
  2. Step 2: Convert to fraction form
    1,774.51/2,662.37 = 735.08/x
  3. Step 3: Cross multiply
    1,774.51x = 2,662.37 × 735.08
  4. Step 4: Simplify right side
    1,774.51x = 1,957,040.71
  5. Step 5: Solve for x
    x = 1,957,040.71/1,774.51
  6. Step 6: Final answer
    x = 1,102.86

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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.