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Finding the Fourth Proportional to 18,048.64, 27,056.40 and 8,048.20

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Solution

The fourth proportional to 18,048.64, 27,056.40 and 8,048.20 is: 12,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.64 : 27,056.40 = 8,048.20 : x
  2. Step 2: Convert to fraction form
    18,048.64/27,056.40 = 8,048.20/x
  3. Step 3: Cross multiply
    18,048.64x = 27,056.40 × 8,048.20
  4. Step 4: Simplify right side
    18,048.64x = 217,755,318.48
  5. Step 5: Solve for x
    x = 217,755,318.48/18,048.64
  6. Step 6: Final answer
    x = 12,064.92

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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.