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Finding the Fourth Proportional to 36,495.54, 54,738.59 and 11,538.12

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Solution

The fourth proportional to 36,495.54, 54,738.59 and 11,538.12 is: 17,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,495.54 : 54,738.59 = 11,538.12 : x
  2. Step 2: Convert to fraction form
    36,495.54/54,738.59 = 11,538.12/x
  3. Step 3: Cross multiply
    36,495.54x = 54,738.59 × 11,538.12
  4. Step 4: Simplify right side
    36,495.54x = 631,580,420.05
  5. Step 5: Solve for x
    x = 631,580,420.05/36,495.54
  6. Step 6: Final answer
    x = 17,305.69

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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.