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Finding the Fourth Proportional to 18,798.97, 25,924.61 and 11,244.03

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Solution

The fourth proportional to 18,798.97, 25,924.61 and 11,244.03 is: 15,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.97 : 25,924.61 = 11,244.03 : x
  2. Step 2: Convert to fraction form
    18,798.97/25,924.61 = 11,244.03/x
  3. Step 3: Cross multiply
    18,798.97x = 25,924.61 × 11,244.03
  4. Step 4: Simplify right side
    18,798.97x = 291,496,996.68
  5. Step 5: Solve for x
    x = 291,496,996.68/18,798.97
  6. Step 6: Final answer
    x = 15,506.01

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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.