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Finding the Fourth Proportional to 1,333.38, 1,840.06 and 735.91

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Solution

The fourth proportional to 1,333.38, 1,840.06 and 735.91 is: 1,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.38 : 1,840.06 = 735.91 : x
  2. Step 2: Convert to fraction form
    1,333.38/1,840.06 = 735.91/x
  3. Step 3: Cross multiply
    1,333.38x = 1,840.06 × 735.91
  4. Step 4: Simplify right side
    1,333.38x = 1,354,114.87
  5. Step 5: Solve for x
    x = 1,354,114.87/1,333.38
  6. Step 6: Final answer
    x = 1,015.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.