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Finding the Fourth Proportional to 36,691.94, 55,037.93 and 19,157.67

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Solution

The fourth proportional to 36,691.94, 55,037.93 and 19,157.67 is: 28,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.94 : 55,037.93 = 19,157.67 : x
  2. Step 2: Convert to fraction form
    36,691.94/55,037.93 = 19,157.67/x
  3. Step 3: Cross multiply
    36,691.94x = 55,037.93 × 19,157.67
  4. Step 4: Simplify right side
    36,691.94x = 1,054,398,404.63
  5. Step 5: Solve for x
    x = 1,054,398,404.63/36,691.94
  6. Step 6: Final answer
    x = 28,736.51

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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.