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Finding the Fourth Proportional to 6,314.22, 9,471.02 and 1,931.36

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Solution

The fourth proportional to 6,314.22, 9,471.02 and 1,931.36 is: 2,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.22 : 9,471.02 = 1,931.36 : x
  2. Step 2: Convert to fraction form
    6,314.22/9,471.02 = 1,931.36/x
  3. Step 3: Cross multiply
    6,314.22x = 9,471.02 × 1,931.36
  4. Step 4: Simplify right side
    6,314.22x = 18,291,892.18
  5. Step 5: Solve for x
    x = 18,291,892.18/6,314.22
  6. Step 6: Final answer
    x = 2,896.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.