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Finding the Fourth Proportional to 6,700.38, 9,243.09 and 4,343.28

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Solution

The fourth proportional to 6,700.38, 9,243.09 and 4,343.28 is: 5,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.38 : 9,243.09 = 4,343.28 : x
  2. Step 2: Convert to fraction form
    6,700.38/9,243.09 = 4,343.28/x
  3. Step 3: Cross multiply
    6,700.38x = 9,243.09 × 4,343.28
  4. Step 4: Simplify right side
    6,700.38x = 40,145,327.94
  5. Step 5: Solve for x
    x = 40,145,327.94/6,700.38
  6. Step 6: Final answer
    x = 5,991.50

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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.