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Finding the Fourth Proportional to 5,937.93, 8,231.81 and 5,621.93

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Solution

The fourth proportional to 5,937.93, 8,231.81 and 5,621.93 is: 7,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.93 : 8,231.81 = 5,621.93 : x
  2. Step 2: Convert to fraction form
    5,937.93/8,231.81 = 5,621.93/x
  3. Step 3: Cross multiply
    5,937.93x = 8,231.81 × 5,621.93
  4. Step 4: Simplify right side
    5,937.93x = 46,278,590.32
  5. Step 5: Solve for x
    x = 46,278,590.32/5,937.93
  6. Step 6: Final answer
    x = 7,793.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.