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Finding the Fourth Proportional to 1,837, 2,537.22 and 1,246.51

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Solution

The fourth proportional to 1,837, 2,537.22 and 1,246.51 is: 1,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837 : 2,537.22 = 1,246.51 : x
  2. Step 2: Convert to fraction form
    1,837/2,537.22 = 1,246.51/x
  3. Step 3: Cross multiply
    1,837x = 2,537.22 × 1,246.51
  4. Step 4: Simplify right side
    1,837x = 3,162,670.10
  5. Step 5: Solve for x
    x = 3,162,670.10/1,837
  6. Step 6: Final answer
    x = 1,721.65

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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.