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Finding the Fourth Proportional to 25,995.75, 38,993.60 and 10,208.22

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Solution

The fourth proportional to 25,995.75, 38,993.60 and 10,208.22 is: 15,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.75 : 38,993.60 = 10,208.22 : x
  2. Step 2: Convert to fraction form
    25,995.75/38,993.60 = 10,208.22/x
  3. Step 3: Cross multiply
    25,995.75x = 38,993.60 × 10,208.22
  4. Step 4: Simplify right side
    25,995.75x = 398,055,247.39
  5. Step 5: Solve for x
    x = 398,055,247.39/25,995.75
  6. Step 6: Final answer
    x = 15,312.32

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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.