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Finding the Fourth Proportional to 36,838.92, 50,837.71 and 20,071.92

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Solution

The fourth proportional to 36,838.92, 50,837.71 and 20,071.92 is: 27,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.92 : 50,837.71 = 20,071.92 : x
  2. Step 2: Convert to fraction form
    36,838.92/50,837.71 = 20,071.92/x
  3. Step 3: Cross multiply
    36,838.92x = 50,837.71 × 20,071.92
  4. Step 4: Simplify right side
    36,838.92x = 1,020,410,663.83
  5. Step 5: Solve for x
    x = 1,020,410,663.83/36,838.92
  6. Step 6: Final answer
    x = 27,699.25

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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.