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Finding the Fourth Proportional to 23,220.77, 34,835.34 and 8,450.42

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Solution

The fourth proportional to 23,220.77, 34,835.34 and 8,450.42 is: 12,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.77 : 34,835.34 = 8,450.42 : x
  2. Step 2: Convert to fraction form
    23,220.77/34,835.34 = 8,450.42/x
  3. Step 3: Cross multiply
    23,220.77x = 34,835.34 × 8,450.42
  4. Step 4: Simplify right side
    23,220.77x = 294,373,253.84
  5. Step 5: Solve for x
    x = 294,373,253.84/23,220.77
  6. Step 6: Final answer
    x = 12,677.15

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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.