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Finding the Fourth Proportional to 18,802.83, 25,941.03 and 11,249.37

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Solution

The fourth proportional to 18,802.83, 25,941.03 and 11,249.37 is: 15,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.83 : 25,941.03 = 11,249.37 : x
  2. Step 2: Convert to fraction form
    18,802.83/25,941.03 = 11,249.37/x
  3. Step 3: Cross multiply
    18,802.83x = 25,941.03 × 11,249.37
  4. Step 4: Simplify right side
    18,802.83x = 291,820,244.65
  5. Step 5: Solve for x
    x = 291,820,244.65/18,802.83
  6. Step 6: Final answer
    x = 15,520.02

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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.