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Finding the Fourth Proportional to 6,636.25, 9,157.68 and 3,651.51

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Solution

The fourth proportional to 6,636.25, 9,157.68 and 3,651.51 is: 5,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.25 : 9,157.68 = 3,651.51 : x
  2. Step 2: Convert to fraction form
    6,636.25/9,157.68 = 3,651.51/x
  3. Step 3: Cross multiply
    6,636.25x = 9,157.68 × 3,651.51
  4. Step 4: Simplify right side
    6,636.25x = 33,439,385.39
  5. Step 5: Solve for x
    x = 33,439,385.39/6,636.25
  6. Step 6: Final answer
    x = 5,038.89

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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.