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Finding the Fourth Proportional to 25,288.56, 38,081.16 and 22,039.56

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Solution

The fourth proportional to 25,288.56, 38,081.16 and 22,039.56 is: 33,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.56 : 38,081.16 = 22,039.56 : x
  2. Step 2: Convert to fraction form
    25,288.56/38,081.16 = 22,039.56/x
  3. Step 3: Cross multiply
    25,288.56x = 38,081.16 × 22,039.56
  4. Step 4: Simplify right side
    25,288.56x = 839,292,010.69
  5. Step 5: Solve for x
    x = 839,292,010.69/25,288.56
  6. Step 6: Final answer
    x = 33,188.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.