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Finding the Fourth Proportional to 2,339.46, 3,509.67 and 800.58

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Solution

The fourth proportional to 2,339.46, 3,509.67 and 800.58 is: 1,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.46 : 3,509.67 = 800.58 : x
  2. Step 2: Convert to fraction form
    2,339.46/3,509.67 = 800.58/x
  3. Step 3: Cross multiply
    2,339.46x = 3,509.67 × 800.58
  4. Step 4: Simplify right side
    2,339.46x = 2,809,771.61
  5. Step 5: Solve for x
    x = 2,809,771.61/2,339.46
  6. Step 6: Final answer
    x = 1,201.03

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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.