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Finding the Fourth Proportional to 5,890.73, 8,816.87 and 4,330.32

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Solution

The fourth proportional to 5,890.73, 8,816.87 and 4,330.32 is: 6,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.73 : 8,816.87 = 4,330.32 : x
  2. Step 2: Convert to fraction form
    5,890.73/8,816.87 = 4,330.32/x
  3. Step 3: Cross multiply
    5,890.73x = 8,816.87 × 4,330.32
  4. Step 4: Simplify right side
    5,890.73x = 38,179,846.85
  5. Step 5: Solve for x
    x = 38,179,846.85/5,890.73
  6. Step 6: Final answer
    x = 6,481.34

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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.