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Finding the Fourth Proportional to 2,701.03, 4,051.77 and 753.22

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Solution

The fourth proportional to 2,701.03, 4,051.77 and 753.22 is: 1,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.03 : 4,051.77 = 753.22 : x
  2. Step 2: Convert to fraction form
    2,701.03/4,051.77 = 753.22/x
  3. Step 3: Cross multiply
    2,701.03x = 4,051.77 × 753.22
  4. Step 4: Simplify right side
    2,701.03x = 3,051,874.20
  5. Step 5: Solve for x
    x = 3,051,874.20/2,701.03
  6. Step 6: Final answer
    x = 1,129.89

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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.