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Finding the Fourth Proportional to 6,491.93, 8,954.06 and 4,813.43

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Solution

The fourth proportional to 6,491.93, 8,954.06 and 4,813.43 is: 6,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.93 : 8,954.06 = 4,813.43 : x
  2. Step 2: Convert to fraction form
    6,491.93/8,954.06 = 4,813.43/x
  3. Step 3: Cross multiply
    6,491.93x = 8,954.06 × 4,813.43
  4. Step 4: Simplify right side
    6,491.93x = 43,099,672.19
  5. Step 5: Solve for x
    x = 43,099,672.19/6,491.93
  6. Step 6: Final answer
    x = 6,638.97

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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.