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Finding the Fourth Proportional to 25,803.03, 38,792.03 and 20,604.45

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Solution

The fourth proportional to 25,803.03, 38,792.03 and 20,604.45 is: 30,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.03 : 38,792.03 = 20,604.45 : x
  2. Step 2: Convert to fraction form
    25,803.03/38,792.03 = 20,604.45/x
  3. Step 3: Cross multiply
    25,803.03x = 38,792.03 × 20,604.45
  4. Step 4: Simplify right side
    25,803.03x = 799,288,442.53
  5. Step 5: Solve for x
    x = 799,288,442.53/25,803.03
  6. Step 6: Final answer
    x = 30,976.53

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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.