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Finding the Fourth Proportional to 5,078.46, 7,602.90 and 2,963.63

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Solution

The fourth proportional to 5,078.46, 7,602.90 and 2,963.63 is: 4,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.46 : 7,602.90 = 2,963.63 : x
  2. Step 2: Convert to fraction form
    5,078.46/7,602.90 = 2,963.63/x
  3. Step 3: Cross multiply
    5,078.46x = 7,602.90 × 2,963.63
  4. Step 4: Simplify right side
    5,078.46x = 22,532,182.53
  5. Step 5: Solve for x
    x = 22,532,182.53/5,078.46
  6. Step 6: Final answer
    x = 4,436.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.