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Finding the Fourth Proportional to 2,796.48, 4,194.99 and 947.94

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Solution

The fourth proportional to 2,796.48, 4,194.99 and 947.94 is: 1,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.48 : 4,194.99 = 947.94 : x
  2. Step 2: Convert to fraction form
    2,796.48/4,194.99 = 947.94/x
  3. Step 3: Cross multiply
    2,796.48x = 4,194.99 × 947.94
  4. Step 4: Simplify right side
    2,796.48x = 3,976,598.82
  5. Step 5: Solve for x
    x = 3,976,598.82/2,796.48
  6. Step 6: Final answer
    x = 1,422.00

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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.