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Finding the Fourth Proportional to 18,644.94, 27,965.01 and 5,498.70

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Solution

The fourth proportional to 18,644.94, 27,965.01 and 5,498.70 is: 8,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.94 : 27,965.01 = 5,498.70 : x
  2. Step 2: Convert to fraction form
    18,644.94/27,965.01 = 5,498.70/x
  3. Step 3: Cross multiply
    18,644.94x = 27,965.01 × 5,498.70
  4. Step 4: Simplify right side
    18,644.94x = 153,771,200.49
  5. Step 5: Solve for x
    x = 153,771,200.49/18,644.94
  6. Step 6: Final answer
    x = 8,247.34

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Double scale
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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.