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Finding the Fourth Proportional to 3,369.72, 5,054.22 and 904.77

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Solution

The fourth proportional to 3,369.72, 5,054.22 and 904.77 is: 1,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.72 : 5,054.22 = 904.77 : x
  2. Step 2: Convert to fraction form
    3,369.72/5,054.22 = 904.77/x
  3. Step 3: Cross multiply
    3,369.72x = 5,054.22 × 904.77
  4. Step 4: Simplify right side
    3,369.72x = 4,572,906.63
  5. Step 5: Solve for x
    x = 4,572,906.63/3,369.72
  6. Step 6: Final answer
    x = 1,357.06

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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.