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Finding the Fourth Proportional to 3,155.82, 4,323.49 and 3,037.58

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Solution

The fourth proportional to 3,155.82, 4,323.49 and 3,037.58 is: 4,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.82 : 4,323.49 = 3,037.58 : x
  2. Step 2: Convert to fraction form
    3,155.82/4,323.49 = 3,037.58/x
  3. Step 3: Cross multiply
    3,155.82x = 4,323.49 × 3,037.58
  4. Step 4: Simplify right side
    3,155.82x = 13,132,946.75
  5. Step 5: Solve for x
    x = 13,132,946.75/3,155.82
  6. Step 6: Final answer
    x = 4,161.50

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.