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Finding the Fourth Proportional to 6,437.91, 8,884.74 and 3,605.52

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Solution

The fourth proportional to 6,437.91, 8,884.74 and 3,605.52 is: 4,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.91 : 8,884.74 = 3,605.52 : x
  2. Step 2: Convert to fraction form
    6,437.91/8,884.74 = 3,605.52/x
  3. Step 3: Cross multiply
    6,437.91x = 8,884.74 × 3,605.52
  4. Step 4: Simplify right side
    6,437.91x = 32,034,107.76
  5. Step 5: Solve for x
    x = 32,034,107.76/6,437.91
  6. Step 6: Final answer
    x = 4,975.86

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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.