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Finding the Fourth Proportional to 22,990.03, 34,487.74 and 8,201.05

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Solution

The fourth proportional to 22,990.03, 34,487.74 and 8,201.05 is: 12,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.03 : 34,487.74 = 8,201.05 : x
  2. Step 2: Convert to fraction form
    22,990.03/34,487.74 = 8,201.05/x
  3. Step 3: Cross multiply
    22,990.03x = 34,487.74 × 8,201.05
  4. Step 4: Simplify right side
    22,990.03x = 282,835,604.16
  5. Step 5: Solve for x
    x = 282,835,604.16/22,990.03
  6. Step 6: Final answer
    x = 12,302.53

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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.