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Finding the Fourth Proportional to 1,354.07, 1,868.37 and 794.56

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Solution

The fourth proportional to 1,354.07, 1,868.37 and 794.56 is: 1,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.07 : 1,868.37 = 794.56 : x
  2. Step 2: Convert to fraction form
    1,354.07/1,868.37 = 794.56/x
  3. Step 3: Cross multiply
    1,354.07x = 1,868.37 × 794.56
  4. Step 4: Simplify right side
    1,354.07x = 1,484,527.92
  5. Step 5: Solve for x
    x = 1,484,527.92/1,354.07
  6. Step 6: Final answer
    x = 1,096.35

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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.