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Finding the Fourth Proportional to 2,768.71, 3,820.82 and 1,526.71

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Solution

The fourth proportional to 2,768.71, 3,820.82 and 1,526.71 is: 2,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.71 : 3,820.82 = 1,526.71 : x
  2. Step 2: Convert to fraction form
    2,768.71/3,820.82 = 1,526.71/x
  3. Step 3: Cross multiply
    2,768.71x = 3,820.82 × 1,526.71
  4. Step 4: Simplify right side
    2,768.71x = 5,833,284.10
  5. Step 5: Solve for x
    x = 5,833,284.10/2,768.71
  6. Step 6: Final answer
    x = 2,106.86

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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.