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Finding the Fourth Proportional to 36,838.46, 50,837.04 and 20,071.46

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Solution

The fourth proportional to 36,838.46, 50,837.04 and 20,071.46 is: 27,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.46 : 50,837.04 = 20,071.46 : x
  2. Step 2: Convert to fraction form
    36,838.46/50,837.04 = 20,071.46/x
  3. Step 3: Cross multiply
    36,838.46x = 50,837.04 × 20,071.46
  4. Step 4: Simplify right side
    36,838.46x = 1,020,373,614.88
  5. Step 5: Solve for x
    x = 1,020,373,614.88/36,838.46
  6. Step 6: Final answer
    x = 27,698.60

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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.