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Finding the Fourth Proportional to 36,838.24, 50,837.34 and 20,071.24

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Solution

The fourth proportional to 36,838.24, 50,837.34 and 20,071.24 is: 27,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.24 : 50,837.34 = 20,071.24 : x
  2. Step 2: Convert to fraction form
    36,838.24/50,837.34 = 20,071.24/x
  3. Step 3: Cross multiply
    36,838.24x = 50,837.34 × 20,071.24
  4. Step 4: Simplify right side
    36,838.24x = 1,020,368,452.10
  5. Step 5: Solve for x
    x = 1,020,368,452.10/36,838.24
  6. Step 6: Final answer
    x = 27,698.62

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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.