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Finding the Fourth Proportional to 6,764.37, 9,328.78 and 4,246.71

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Solution

The fourth proportional to 6,764.37, 9,328.78 and 4,246.71 is: 5,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.37 : 9,328.78 = 4,246.71 : x
  2. Step 2: Convert to fraction form
    6,764.37/9,328.78 = 4,246.71/x
  3. Step 3: Cross multiply
    6,764.37x = 9,328.78 × 4,246.71
  4. Step 4: Simplify right side
    6,764.37x = 39,616,623.31
  5. Step 5: Solve for x
    x = 39,616,623.31/6,764.37
  6. Step 6: Final answer
    x = 5,856.66

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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.