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Finding the Fourth Proportional to 4,743.22, 6,544.53 and 2,879.86

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Solution

The fourth proportional to 4,743.22, 6,544.53 and 2,879.86 is: 3,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.22 : 6,544.53 = 2,879.86 : x
  2. Step 2: Convert to fraction form
    4,743.22/6,544.53 = 2,879.86/x
  3. Step 3: Cross multiply
    4,743.22x = 6,544.53 × 2,879.86
  4. Step 4: Simplify right side
    4,743.22x = 18,847,330.17
  5. Step 5: Solve for x
    x = 18,847,330.17/4,743.22
  6. Step 6: Final answer
    x = 3,973.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.