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Finding the Fourth Proportional to 18,608.60, 25,679.58 and 10,224.92

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Solution

The fourth proportional to 18,608.60, 25,679.58 and 10,224.92 is: 14,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.60 : 25,679.58 = 10,224.92 : x
  2. Step 2: Convert to fraction form
    18,608.60/25,679.58 = 10,224.92/x
  3. Step 3: Cross multiply
    18,608.60x = 25,679.58 × 10,224.92
  4. Step 4: Simplify right side
    18,608.60x = 262,571,651.13
  5. Step 5: Solve for x
    x = 262,571,651.13/18,608.60
  6. Step 6: Final answer
    x = 14,110.23

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.