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Finding the Fourth Proportional to 5,606.73, 7,737.44 and 3,216.90

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Solution

The fourth proportional to 5,606.73, 7,737.44 and 3,216.90 is: 4,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.73 : 7,737.44 = 3,216.90 : x
  2. Step 2: Convert to fraction form
    5,606.73/7,737.44 = 3,216.90/x
  3. Step 3: Cross multiply
    5,606.73x = 7,737.44 × 3,216.90
  4. Step 4: Simplify right side
    5,606.73x = 24,890,597.67
  5. Step 5: Solve for x
    x = 24,890,597.67/5,606.73
  6. Step 6: Final answer
    x = 4,439.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.