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Finding the Fourth Proportional to 7,863.24, 10,851.24 and 4,326.44

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Solution

The fourth proportional to 7,863.24, 10,851.24 and 4,326.44 is: 5,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.24 : 10,851.24 = 4,326.44 : x
  2. Step 2: Convert to fraction form
    7,863.24/10,851.24 = 4,326.44/x
  3. Step 3: Cross multiply
    7,863.24x = 10,851.24 × 4,326.44
  4. Step 4: Simplify right side
    7,863.24x = 46,947,238.79
  5. Step 5: Solve for x
    x = 46,947,238.79/7,863.24
  6. Step 6: Final answer
    x = 5,970.47

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1.5x scale

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.