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Finding the Fourth Proportional to 36,157.50, 54,237.21 and 11,533.50

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Solution

The fourth proportional to 36,157.50, 54,237.21 and 11,533.50 is: 17,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,157.50 : 54,237.21 = 11,533.50 : x
  2. Step 2: Convert to fraction form
    36,157.50/54,237.21 = 11,533.50/x
  3. Step 3: Cross multiply
    36,157.50x = 54,237.21 × 11,533.50
  4. Step 4: Simplify right side
    36,157.50x = 625,544,861.54
  5. Step 5: Solve for x
    x = 625,544,861.54/36,157.50
  6. Step 6: Final answer
    x = 17,300.56

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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.