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Finding the Fourth Proportional to 3,307.68, 4,564.60 and 1,910.44

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Solution

The fourth proportional to 3,307.68, 4,564.60 and 1,910.44 is: 2,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.68 : 4,564.60 = 1,910.44 : x
  2. Step 2: Convert to fraction form
    3,307.68/4,564.60 = 1,910.44/x
  3. Step 3: Cross multiply
    3,307.68x = 4,564.60 × 1,910.44
  4. Step 4: Simplify right side
    3,307.68x = 8,720,394.42
  5. Step 5: Solve for x
    x = 8,720,394.42/3,307.68
  6. Step 6: Final answer
    x = 2,636.41

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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.