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Finding the Fourth Proportional to 1,837.76, 2,536.11 and 1,051.92

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Solution

The fourth proportional to 1,837.76, 2,536.11 and 1,051.92 is: 1,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.76 : 2,536.11 = 1,051.92 : x
  2. Step 2: Convert to fraction form
    1,837.76/2,536.11 = 1,051.92/x
  3. Step 3: Cross multiply
    1,837.76x = 2,536.11 × 1,051.92
  4. Step 4: Simplify right side
    1,837.76x = 2,667,784.83
  5. Step 5: Solve for x
    x = 2,667,784.83/1,837.76
  6. Step 6: Final answer
    x = 1,451.65

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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.