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Finding the Fourth Proportional to 36,057.81, 54,082.61 and 9,764.60

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Solution

The fourth proportional to 36,057.81, 54,082.61 and 9,764.60 is: 14,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,057.81 : 54,082.61 = 9,764.60 : x
  2. Step 2: Convert to fraction form
    36,057.81/54,082.61 = 9,764.60/x
  3. Step 3: Cross multiply
    36,057.81x = 54,082.61 × 9,764.60
  4. Step 4: Simplify right side
    36,057.81x = 528,095,102.66
  5. Step 5: Solve for x
    x = 528,095,102.66/36,057.81
  6. Step 6: Final answer
    x = 14,645.79

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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.