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Finding the Fourth Proportional to 5,657.73, 8,491.77 and 2,886.39

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Solution

The fourth proportional to 5,657.73, 8,491.77 and 2,886.39 is: 4,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.73 : 8,491.77 = 2,886.39 : x
  2. Step 2: Convert to fraction form
    5,657.73/8,491.77 = 2,886.39/x
  3. Step 3: Cross multiply
    5,657.73x = 8,491.77 × 2,886.39
  4. Step 4: Simplify right side
    5,657.73x = 24,510,560.01
  5. Step 5: Solve for x
    x = 24,510,560.01/5,657.73
  6. Step 6: Final answer
    x = 4,332.23

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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.