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Finding the Fourth Proportional to 6,327.38, 8,731.63 and 3,494.99

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Solution

The fourth proportional to 6,327.38, 8,731.63 and 3,494.99 is: 4,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.38 : 8,731.63 = 3,494.99 : x
  2. Step 2: Convert to fraction form
    6,327.38/8,731.63 = 3,494.99/x
  3. Step 3: Cross multiply
    6,327.38x = 8,731.63 × 3,494.99
  4. Step 4: Simplify right side
    6,327.38x = 30,516,959.53
  5. Step 5: Solve for x
    x = 30,516,959.53/6,327.38
  6. Step 6: Final answer
    x = 4,823.00

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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.