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Finding the Fourth Proportional to 6,281.11, 8,669.13 and 4,156.68

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Solution

The fourth proportional to 6,281.11, 8,669.13 and 4,156.68 is: 5,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.11 : 8,669.13 = 4,156.68 : x
  2. Step 2: Convert to fraction form
    6,281.11/8,669.13 = 4,156.68/x
  3. Step 3: Cross multiply
    6,281.11x = 8,669.13 × 4,156.68
  4. Step 4: Simplify right side
    6,281.11x = 36,034,799.29
  5. Step 5: Solve for x
    x = 36,034,799.29/6,281.11
  6. Step 6: Final answer
    x = 5,737.01

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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.