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Finding the Fourth Proportional to 7,863.65, 10,852.49 and 4,327.37

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Solution

The fourth proportional to 7,863.65, 10,852.49 and 4,327.37 is: 5,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.65 : 10,852.49 = 4,327.37 : x
  2. Step 2: Convert to fraction form
    7,863.65/10,852.49 = 4,327.37/x
  3. Step 3: Cross multiply
    7,863.65x = 10,852.49 × 4,327.37
  4. Step 4: Simplify right side
    7,863.65x = 46,962,739.65
  5. Step 5: Solve for x
    x = 46,962,739.65/7,863.65
  6. Step 6: Final answer
    x = 5,972.13

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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.