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Finding the Fourth Proportional to 36,353.68, 54,530.52 and 11,393.72

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Solution

The fourth proportional to 36,353.68, 54,530.52 and 11,393.72 is: 17,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.68 : 54,530.52 = 11,393.72 : x
  2. Step 2: Convert to fraction form
    36,353.68/54,530.52 = 11,393.72/x
  3. Step 3: Cross multiply
    36,353.68x = 54,530.52 × 11,393.72
  4. Step 4: Simplify right side
    36,353.68x = 621,305,476.33
  5. Step 5: Solve for x
    x = 621,305,476.33/36,353.68
  6. Step 6: Final answer
    x = 17,090.58

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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.