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Finding the Fourth Proportional to 17,665.62, 24,388.03 and 13,623.60

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Solution

The fourth proportional to 17,665.62, 24,388.03 and 13,623.60 is: 18,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.62 : 24,388.03 = 13,623.60 : x
  2. Step 2: Convert to fraction form
    17,665.62/24,388.03 = 13,623.60/x
  3. Step 3: Cross multiply
    17,665.62x = 24,388.03 × 13,623.60
  4. Step 4: Simplify right side
    17,665.62x = 332,252,765.51
  5. Step 5: Solve for x
    x = 332,252,765.51/17,665.62
  6. Step 6: Final answer
    x = 18,807.87

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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.