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Finding the Fourth Proportional to 22,113.08, 33,168.48 and 8,261

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Solution

The fourth proportional to 22,113.08, 33,168.48 and 8,261 is: 12,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.08 : 33,168.48 = 8,261 : x
  2. Step 2: Convert to fraction form
    22,113.08/33,168.48 = 8,261/x
  3. Step 3: Cross multiply
    22,113.08x = 33,168.48 × 8,261
  4. Step 4: Simplify right side
    22,113.08x = 274,004,813.28
  5. Step 5: Solve for x
    x = 274,004,813.28/22,113.08
  6. Step 6: Final answer
    x = 12,391.07

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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.