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Finding the Fourth Proportional to 5,750.40, 8,612.82 and 5,610.72

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Solution

The fourth proportional to 5,750.40, 8,612.82 and 5,610.72 is: 8,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.40 : 8,612.82 = 5,610.72 : x
  2. Step 2: Convert to fraction form
    5,750.40/8,612.82 = 5,610.72/x
  3. Step 3: Cross multiply
    5,750.40x = 8,612.82 × 5,610.72
  4. Step 4: Simplify right side
    5,750.40x = 48,324,121.43
  5. Step 5: Solve for x
    x = 48,324,121.43/5,750.40
  6. Step 6: Final answer
    x = 8,403.61

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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.