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Finding the Fourth Proportional to 6,426.05, 8,868.89 and 4,068.41

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Solution

The fourth proportional to 6,426.05, 8,868.89 and 4,068.41 is: 5,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.05 : 8,868.89 = 4,068.41 : x
  2. Step 2: Convert to fraction form
    6,426.05/8,868.89 = 4,068.41/x
  3. Step 3: Cross multiply
    6,426.05x = 8,868.89 × 4,068.41
  4. Step 4: Simplify right side
    6,426.05x = 36,082,246.59
  5. Step 5: Solve for x
    x = 36,082,246.59/6,426.05
  6. Step 6: Final answer
    x = 5,615.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.