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Finding the Fourth Proportional to 6,328.94, 8,734.03 and 3,813.68

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Solution

The fourth proportional to 6,328.94, 8,734.03 and 3,813.68 is: 5,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.94 : 8,734.03 = 3,813.68 : x
  2. Step 2: Convert to fraction form
    6,328.94/8,734.03 = 3,813.68/x
  3. Step 3: Cross multiply
    6,328.94x = 8,734.03 × 3,813.68
  4. Step 4: Simplify right side
    6,328.94x = 33,308,807.83
  5. Step 5: Solve for x
    x = 33,308,807.83/6,328.94
  6. Step 6: Final answer
    x = 5,262.94

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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.