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Finding the Fourth Proportional to 22,768.32, 34,152.48 and 8,734.80

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Solution

The fourth proportional to 22,768.32, 34,152.48 and 8,734.80 is: 13,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.32 : 34,152.48 = 8,734.80 : x
  2. Step 2: Convert to fraction form
    22,768.32/34,152.48 = 8,734.80/x
  3. Step 3: Cross multiply
    22,768.32x = 34,152.48 × 8,734.80
  4. Step 4: Simplify right side
    22,768.32x = 298,315,082.30
  5. Step 5: Solve for x
    x = 298,315,082.30/22,768.32
  6. Step 6: Final answer
    x = 13,102.20

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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.