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Finding the Fourth Proportional to 26,382.08, 39,572.96 and 7,914.08

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Solution

The fourth proportional to 26,382.08, 39,572.96 and 7,914.08 is: 11,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.08 : 39,572.96 = 7,914.08 : x
  2. Step 2: Convert to fraction form
    26,382.08/39,572.96 = 7,914.08/x
  3. Step 3: Cross multiply
    26,382.08x = 39,572.96 × 7,914.08
  4. Step 4: Simplify right side
    26,382.08x = 313,183,571.28
  5. Step 5: Solve for x
    x = 313,183,571.28/26,382.08
  6. Step 6: Final answer
    x = 11,871.07

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1.5x scale

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.