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Finding the Fourth Proportional to 8,990.37, 13,474.95 and 4,054.23

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Solution

The fourth proportional to 8,990.37, 13,474.95 and 4,054.23 is: 6,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.37 : 13,474.95 = 4,054.23 : x
  2. Step 2: Convert to fraction form
    8,990.37/13,474.95 = 4,054.23/x
  3. Step 3: Cross multiply
    8,990.37x = 13,474.95 × 4,054.23
  4. Step 4: Simplify right side
    8,990.37x = 54,630,546.54
  5. Step 5: Solve for x
    x = 54,630,546.54/8,990.37
  6. Step 6: Final answer
    x = 6,076.56

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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.