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Finding the Fourth Proportional to 5,714.80, 8,572.22 and 2,015.02

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Solution

The fourth proportional to 5,714.80, 8,572.22 and 2,015.02 is: 3,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.80 : 8,572.22 = 2,015.02 : x
  2. Step 2: Convert to fraction form
    5,714.80/8,572.22 = 2,015.02/x
  3. Step 3: Cross multiply
    5,714.80x = 8,572.22 × 2,015.02
  4. Step 4: Simplify right side
    5,714.80x = 17,273,194.74
  5. Step 5: Solve for x
    x = 17,273,194.74/5,714.80
  6. Step 6: Final answer
    x = 3,022.54

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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.