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Finding the Fourth Proportional to 18,596.64, 27,887.64 and 6,747.60

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Solution

The fourth proportional to 18,596.64, 27,887.64 and 6,747.60 is: 10,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.64 : 27,887.64 = 6,747.60 : x
  2. Step 2: Convert to fraction form
    18,596.64/27,887.64 = 6,747.60/x
  3. Step 3: Cross multiply
    18,596.64x = 27,887.64 × 6,747.60
  4. Step 4: Simplify right side
    18,596.64x = 188,174,639.66
  5. Step 5: Solve for x
    x = 188,174,639.66/18,596.64
  6. Step 6: Final answer
    x = 10,118.74

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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.