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Finding the Fourth Proportional to 1,937.37, 2,906.05 and 476.52

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Solution

The fourth proportional to 1,937.37, 2,906.05 and 476.52 is: 714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.37 : 2,906.05 = 476.52 : x
  2. Step 2: Convert to fraction form
    1,937.37/2,906.05 = 476.52/x
  3. Step 3: Cross multiply
    1,937.37x = 2,906.05 × 476.52
  4. Step 4: Simplify right side
    1,937.37x = 1,384,790.95
  5. Step 5: Solve for x
    x = 1,384,790.95/1,937.37
  6. Step 6: Final answer
    x = 714.78

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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.