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Finding the Fourth Proportional to 1,627, 2,434.38 and 1,141

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Solution

The fourth proportional to 1,627, 2,434.38 and 1,141 is: 1,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627 : 2,434.38 = 1,141 : x
  2. Step 2: Convert to fraction form
    1,627/2,434.38 = 1,141/x
  3. Step 3: Cross multiply
    1,627x = 2,434.38 × 1,141
  4. Step 4: Simplify right side
    1,627x = 2,777,627.58
  5. Step 5: Solve for x
    x = 2,777,627.58/1,627
  6. Step 6: Final answer
    x = 1,707.21

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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.