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Finding the Fourth Proportional to 18,481.95, 25,503.90 and 10,524.11

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Solution

The fourth proportional to 18,481.95, 25,503.90 and 10,524.11 is: 14,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.95 : 25,503.90 = 10,524.11 : x
  2. Step 2: Convert to fraction form
    18,481.95/25,503.90 = 10,524.11/x
  3. Step 3: Cross multiply
    18,481.95x = 25,503.90 × 10,524.11
  4. Step 4: Simplify right side
    18,481.95x = 268,405,682.04
  5. Step 5: Solve for x
    x = 268,405,682.04/18,481.95
  6. Step 6: Final answer
    x = 14,522.58

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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.