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Finding the Fourth Proportional to 5,889.45, 8,771.30 and 5,821.41

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Solution

The fourth proportional to 5,889.45, 8,771.30 and 5,821.41 is: 8,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.45 : 8,771.30 = 5,821.41 : x
  2. Step 2: Convert to fraction form
    5,889.45/8,771.30 = 5,821.41/x
  3. Step 3: Cross multiply
    5,889.45x = 8,771.30 × 5,821.41
  4. Step 4: Simplify right side
    5,889.45x = 51,061,333.53
  5. Step 5: Solve for x
    x = 51,061,333.53/5,889.45
  6. Step 6: Final answer
    x = 8,669.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.