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Finding the Fourth Proportional to 2,039.52, 3,059.25 and 652.83

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Solution

The fourth proportional to 2,039.52, 3,059.25 and 652.83 is: 979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.52 : 3,059.25 = 652.83 : x
  2. Step 2: Convert to fraction form
    2,039.52/3,059.25 = 652.83/x
  3. Step 3: Cross multiply
    2,039.52x = 3,059.25 × 652.83
  4. Step 4: Simplify right side
    2,039.52x = 1,997,170.18
  5. Step 5: Solve for x
    x = 1,997,170.18/2,039.52
  6. Step 6: Final answer
    x = 979.24

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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.