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Finding the Fourth Proportional to 18,266.60, 27,406.30 and 17,626.60

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Solution

The fourth proportional to 18,266.60, 27,406.30 and 17,626.60 is: 26,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.60 : 27,406.30 = 17,626.60 : x
  2. Step 2: Convert to fraction form
    18,266.60/27,406.30 = 17,626.60/x
  3. Step 3: Cross multiply
    18,266.60x = 27,406.30 × 17,626.60
  4. Step 4: Simplify right side
    18,266.60x = 483,079,887.58
  5. Step 5: Solve for x
    x = 483,079,887.58/18,266.60
  6. Step 6: Final answer
    x = 26,446.08

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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.