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Finding the Fourth Proportional to 5,671.52, 8,509.81 and 2,896.73

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Solution

The fourth proportional to 5,671.52, 8,509.81 and 2,896.73 is: 4,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.52 : 8,509.81 = 2,896.73 : x
  2. Step 2: Convert to fraction form
    5,671.52/8,509.81 = 2,896.73/x
  3. Step 3: Cross multiply
    5,671.52x = 8,509.81 × 2,896.73
  4. Step 4: Simplify right side
    5,671.52x = 24,650,621.92
  5. Step 5: Solve for x
    x = 24,650,621.92/5,671.52
  6. Step 6: Final answer
    x = 4,346.39

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1.5x scale

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.