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Finding the Fourth Proportional to 1,347.37, 1,859.46 and 757.94

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Solution

The fourth proportional to 1,347.37, 1,859.46 and 757.94 is: 1,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.37 : 1,859.46 = 757.94 : x
  2. Step 2: Convert to fraction form
    1,347.37/1,859.46 = 757.94/x
  3. Step 3: Cross multiply
    1,347.37x = 1,859.46 × 757.94
  4. Step 4: Simplify right side
    1,347.37x = 1,409,359.11
  5. Step 5: Solve for x
    x = 1,409,359.11/1,347.37
  6. Step 6: Final answer
    x = 1,046.01

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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.