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Finding the Fourth Proportional to 1,333.61, 1,840.89 and 1,049.29

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Solution

The fourth proportional to 1,333.61, 1,840.89 and 1,049.29 is: 1,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.61 : 1,840.89 = 1,049.29 : x
  2. Step 2: Convert to fraction form
    1,333.61/1,840.89 = 1,049.29/x
  3. Step 3: Cross multiply
    1,333.61x = 1,840.89 × 1,049.29
  4. Step 4: Simplify right side
    1,333.61x = 1,931,622.22
  5. Step 5: Solve for x
    x = 1,931,622.22/1,333.61
  6. Step 6: Final answer
    x = 1,448.42

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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.