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Finding the Fourth Proportional to 36,709.68, 50,658.30 and 20,795.52

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Solution

The fourth proportional to 36,709.68, 50,658.30 and 20,795.52 is: 28,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.68 : 50,658.30 = 20,795.52 : x
  2. Step 2: Convert to fraction form
    36,709.68/50,658.30 = 20,795.52/x
  3. Step 3: Cross multiply
    36,709.68x = 50,658.30 × 20,795.52
  4. Step 4: Simplify right side
    36,709.68x = 1,053,465,690.82
  5. Step 5: Solve for x
    x = 1,053,465,690.82/36,709.68
  6. Step 6: Final answer
    x = 28,697.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.