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Finding the Fourth Proportional to 6,339.37, 8,743.02 and 4,749.75

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Solution

The fourth proportional to 6,339.37, 8,743.02 and 4,749.75 is: 6,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.37 : 8,743.02 = 4,749.75 : x
  2. Step 2: Convert to fraction form
    6,339.37/8,743.02 = 4,749.75/x
  3. Step 3: Cross multiply
    6,339.37x = 8,743.02 × 4,749.75
  4. Step 4: Simplify right side
    6,339.37x = 41,527,159.25
  5. Step 5: Solve for x
    x = 41,527,159.25/6,339.37
  6. Step 6: Final answer
    x = 6,550.68

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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.