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Finding the Fourth Proportional to 2,714.01, 4,071.29 and 739.68

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Solution

The fourth proportional to 2,714.01, 4,071.29 and 739.68 is: 1,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.01 : 4,071.29 = 739.68 : x
  2. Step 2: Convert to fraction form
    2,714.01/4,071.29 = 739.68/x
  3. Step 3: Cross multiply
    2,714.01x = 4,071.29 × 739.68
  4. Step 4: Simplify right side
    2,714.01x = 3,011,451.79
  5. Step 5: Solve for x
    x = 3,011,451.79/2,714.01
  6. Step 6: Final answer
    x = 1,109.59

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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.