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Finding the Fourth Proportional to 36,759.57, 55,139.36 and 9,057.57

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Solution

The fourth proportional to 36,759.57, 55,139.36 and 9,057.57 is: 13,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759.57 : 55,139.36 = 9,057.57 : x
  2. Step 2: Convert to fraction form
    36,759.57/55,139.36 = 9,057.57/x
  3. Step 3: Cross multiply
    36,759.57x = 55,139.36 × 9,057.57
  4. Step 4: Simplify right side
    36,759.57x = 499,428,567.67
  5. Step 5: Solve for x
    x = 499,428,567.67/36,759.57
  6. Step 6: Final answer
    x = 13,586.36

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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.