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Finding the Fourth Proportional to 2,906.76, 4,368.78 and 1,368.84

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Solution

The fourth proportional to 2,906.76, 4,368.78 and 1,368.84 is: 2,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.76 : 4,368.78 = 1,368.84 : x
  2. Step 2: Convert to fraction form
    2,906.76/4,368.78 = 1,368.84/x
  3. Step 3: Cross multiply
    2,906.76x = 4,368.78 × 1,368.84
  4. Step 4: Simplify right side
    2,906.76x = 5,980,160.82
  5. Step 5: Solve for x
    x = 5,980,160.82/2,906.76
  6. Step 6: Final answer
    x = 2,057.33

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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.