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Finding the Fourth Proportional to 1,333.49, 1,840.18 and 744.02

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Solution

The fourth proportional to 1,333.49, 1,840.18 and 744.02 is: 1,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.49 : 1,840.18 = 744.02 : x
  2. Step 2: Convert to fraction form
    1,333.49/1,840.18 = 744.02/x
  3. Step 3: Cross multiply
    1,333.49x = 1,840.18 × 744.02
  4. Step 4: Simplify right side
    1,333.49x = 1,369,130.72
  5. Step 5: Solve for x
    x = 1,369,130.72/1,333.49
  6. Step 6: Final answer
    x = 1,026.73

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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.