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Finding the Fourth Proportional to 23,660.73, 35,490.94 and 8,859.15

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Solution

The fourth proportional to 23,660.73, 35,490.94 and 8,859.15 is: 13,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,660.73 : 35,490.94 = 8,859.15 : x
  2. Step 2: Convert to fraction form
    23,660.73/35,490.94 = 8,859.15/x
  3. Step 3: Cross multiply
    23,660.73x = 35,490.94 × 8,859.15
  4. Step 4: Simplify right side
    23,660.73x = 314,419,538.95
  5. Step 5: Solve for x
    x = 314,419,538.95/23,660.73
  6. Step 6: Final answer
    x = 13,288.67

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1.5x scale

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.