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Finding the Fourth Proportional to 1,333.36, 1,840.04 and 743.93

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Solution

The fourth proportional to 1,333.36, 1,840.04 and 743.93 is: 1,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.36 : 1,840.04 = 743.93 : x
  2. Step 2: Convert to fraction form
    1,333.36/1,840.04 = 743.93/x
  3. Step 3: Cross multiply
    1,333.36x = 1,840.04 × 743.93
  4. Step 4: Simplify right side
    1,333.36x = 1,368,870.17
  5. Step 5: Solve for x
    x = 1,368,870.17/1,333.36
  6. Step 6: Final answer
    x = 1,026.63

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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.