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Finding the Fourth Proportional to 3,835.02, 5,753.74 and 1,369.79

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Solution

The fourth proportional to 3,835.02, 5,753.74 and 1,369.79 is: 2,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.02 : 5,753.74 = 1,369.79 : x
  2. Step 2: Convert to fraction form
    3,835.02/5,753.74 = 1,369.79/x
  3. Step 3: Cross multiply
    3,835.02x = 5,753.74 × 1,369.79
  4. Step 4: Simplify right side
    3,835.02x = 7,881,383.32
  5. Step 5: Solve for x
    x = 7,881,383.32/3,835.02
  6. Step 6: Final answer
    x = 2,055.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.