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Finding the Fourth Proportional to 2,536.65, 3,804.40 and 1,149.07

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Solution

The fourth proportional to 2,536.65, 3,804.40 and 1,149.07 is: 1,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536.65 : 3,804.40 = 1,149.07 : x
  2. Step 2: Convert to fraction form
    2,536.65/3,804.40 = 1,149.07/x
  3. Step 3: Cross multiply
    2,536.65x = 3,804.40 × 1,149.07
  4. Step 4: Simplify right side
    2,536.65x = 4,371,521.91
  5. Step 5: Solve for x
    x = 4,371,521.91/2,536.65
  6. Step 6: Final answer
    x = 1,723.34

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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.