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Finding the Fourth Proportional to 5,573.86, 8,361.60 and 1,876.48

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Solution

The fourth proportional to 5,573.86, 8,361.60 and 1,876.48 is: 2,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.86 : 8,361.60 = 1,876.48 : x
  2. Step 2: Convert to fraction form
    5,573.86/8,361.60 = 1,876.48/x
  3. Step 3: Cross multiply
    5,573.86x = 8,361.60 × 1,876.48
  4. Step 4: Simplify right side
    5,573.86x = 15,690,375.17
  5. Step 5: Solve for x
    x = 15,690,375.17/5,573.86
  6. Step 6: Final answer
    x = 2,814.99

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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.