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Finding the Fourth Proportional to 22,990.31, 34,485.41 and 6,350.30

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Solution

The fourth proportional to 22,990.31, 34,485.41 and 6,350.30 is: 9,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.31 : 34,485.41 = 6,350.30 : x
  2. Step 2: Convert to fraction form
    22,990.31/34,485.41 = 6,350.30/x
  3. Step 3: Cross multiply
    22,990.31x = 34,485.41 × 6,350.30
  4. Step 4: Simplify right side
    22,990.31x = 218,992,671.89
  5. Step 5: Solve for x
    x = 218,992,671.89/22,990.31
  6. Step 6: Final answer
    x = 9,525.43

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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.