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Finding the Fourth Proportional to 36,597.92, 54,864.04 and 13,218.88

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Solution

The fourth proportional to 36,597.92, 54,864.04 and 13,218.88 is: 19,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,597.92 : 54,864.04 = 13,218.88 : x
  2. Step 2: Convert to fraction form
    36,597.92/54,864.04 = 13,218.88/x
  3. Step 3: Cross multiply
    36,597.92x = 54,864.04 × 13,218.88
  4. Step 4: Simplify right side
    36,597.92x = 725,241,161.08
  5. Step 5: Solve for x
    x = 725,241,161.08/36,597.92
  6. Step 6: Final answer
    x = 19,816.46

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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.