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Finding the Fourth Proportional to 7,863.48, 10,850.64 and 4,326.48

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Solution

The fourth proportional to 7,863.48, 10,850.64 and 4,326.48 is: 5,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.48 : 10,850.64 = 4,326.48 : x
  2. Step 2: Convert to fraction form
    7,863.48/10,850.64 = 4,326.48/x
  3. Step 3: Cross multiply
    7,863.48x = 10,850.64 × 4,326.48
  4. Step 4: Simplify right side
    7,863.48x = 46,945,076.95
  5. Step 5: Solve for x
    x = 46,945,076.95/7,863.48
  6. Step 6: Final answer
    x = 5,970.01

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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.