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Finding the Fourth Proportional to 2,305.52, 3,457.56 and 1,005.68

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Solution

The fourth proportional to 2,305.52, 3,457.56 and 1,005.68 is: 1,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.52 : 3,457.56 = 1,005.68 : x
  2. Step 2: Convert to fraction form
    2,305.52/3,457.56 = 1,005.68/x
  3. Step 3: Cross multiply
    2,305.52x = 3,457.56 × 1,005.68
  4. Step 4: Simplify right side
    2,305.52x = 3,477,198.94
  5. Step 5: Solve for x
    x = 3,477,198.94/2,305.52
  6. Step 6: Final answer
    x = 1,508.21

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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.