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Finding the Fourth Proportional to 2,051.77, 3,077.33 and 735.28

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Solution

The fourth proportional to 2,051.77, 3,077.33 and 735.28 is: 1,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.77 : 3,077.33 = 735.28 : x
  2. Step 2: Convert to fraction form
    2,051.77/3,077.33 = 735.28/x
  3. Step 3: Cross multiply
    2,051.77x = 3,077.33 × 735.28
  4. Step 4: Simplify right side
    2,051.77x = 2,262,695.53
  5. Step 5: Solve for x
    x = 2,262,695.53/2,051.77
  6. Step 6: Final answer
    x = 1,102.80

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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.