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Finding the Fourth Proportional to 18,524.77, 25,510.31 and 16,101.08

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Solution

The fourth proportional to 18,524.77, 25,510.31 and 16,101.08 is: 22,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.77 : 25,510.31 = 16,101.08 : x
  2. Step 2: Convert to fraction form
    18,524.77/25,510.31 = 16,101.08/x
  3. Step 3: Cross multiply
    18,524.77x = 25,510.31 × 16,101.08
  4. Step 4: Simplify right side
    18,524.77x = 410,743,490.12
  5. Step 5: Solve for x
    x = 410,743,490.12/18,524.77
  6. Step 6: Final answer
    x = 22,172.67

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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.