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Finding the Fourth Proportional to 22,328.80, 33,507.84 and 8,477.92

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Solution

The fourth proportional to 22,328.80, 33,507.84 and 8,477.92 is: 12,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.80 : 33,507.84 = 8,477.92 : x
  2. Step 2: Convert to fraction form
    22,328.80/33,507.84 = 8,477.92/x
  3. Step 3: Cross multiply
    22,328.80x = 33,507.84 × 8,477.92
  4. Step 4: Simplify right side
    22,328.80x = 284,076,786.89
  5. Step 5: Solve for x
    x = 284,076,786.89/22,328.80
  6. Step 6: Final answer
    x = 12,722.44

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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.