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Finding the Fourth Proportional to 5,076.27, 7,615.80 and 2,886.57

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Solution

The fourth proportional to 5,076.27, 7,615.80 and 2,886.57 is: 4,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.27 : 7,615.80 = 2,886.57 : x
  2. Step 2: Convert to fraction form
    5,076.27/7,615.80 = 2,886.57/x
  3. Step 3: Cross multiply
    5,076.27x = 7,615.80 × 2,886.57
  4. Step 4: Simplify right side
    5,076.27x = 21,983,539.81
  5. Step 5: Solve for x
    x = 21,983,539.81/5,076.27
  6. Step 6: Final answer
    x = 4,330.65

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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.