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Finding the Fourth Proportional to 2,862.54, 3,950.24 and 1,865.93

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Solution

The fourth proportional to 2,862.54, 3,950.24 and 1,865.93 is: 2,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.54 : 3,950.24 = 1,865.93 : x
  2. Step 2: Convert to fraction form
    2,862.54/3,950.24 = 1,865.93/x
  3. Step 3: Cross multiply
    2,862.54x = 3,950.24 × 1,865.93
  4. Step 4: Simplify right side
    2,862.54x = 7,370,842.24
  5. Step 5: Solve for x
    x = 7,370,842.24/2,862.54
  6. Step 6: Final answer
    x = 2,574.93

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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.