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Finding the Fourth Proportional to 25,765.92, 35,522.06 and 22,029.22

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Solution

The fourth proportional to 25,765.92, 35,522.06 and 22,029.22 is: 30,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.92 : 35,522.06 = 22,029.22 : x
  2. Step 2: Convert to fraction form
    25,765.92/35,522.06 = 22,029.22/x
  3. Step 3: Cross multiply
    25,765.92x = 35,522.06 × 22,029.22
  4. Step 4: Simplify right side
    25,765.92x = 782,523,274.59
  5. Step 5: Solve for x
    x = 782,523,274.59/25,765.92
  6. Step 6: Final answer
    x = 30,370.48

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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.