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Finding the Fourth Proportional to 1,906.70, 2,632.77 and 1,532.48

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Solution

The fourth proportional to 1,906.70, 2,632.77 and 1,532.48 is: 2,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.70 : 2,632.77 = 1,532.48 : x
  2. Step 2: Convert to fraction form
    1,906.70/2,632.77 = 1,532.48/x
  3. Step 3: Cross multiply
    1,906.70x = 2,632.77 × 1,532.48
  4. Step 4: Simplify right side
    1,906.70x = 4,034,654.21
  5. Step 5: Solve for x
    x = 4,034,654.21/1,906.70
  6. Step 6: Final answer
    x = 2,116.05

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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.