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Finding the Fourth Proportional to 1,337.94, 1,846.40 and 748.49

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Solution

The fourth proportional to 1,337.94, 1,846.40 and 748.49 is: 1,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.94 : 1,846.40 = 748.49 : x
  2. Step 2: Convert to fraction form
    1,337.94/1,846.40 = 748.49/x
  3. Step 3: Cross multiply
    1,337.94x = 1,846.40 × 748.49
  4. Step 4: Simplify right side
    1,337.94x = 1,381,998.96
  5. Step 5: Solve for x
    x = 1,381,998.96/1,337.94
  6. Step 6: Final answer
    x = 1,032.93

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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.