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Finding the Fourth Proportional to 36,838.39, 50,836.98 and 20,071.39

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Solution

The fourth proportional to 36,838.39, 50,836.98 and 20,071.39 is: 27,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.39 : 50,836.98 = 20,071.39 : x
  2. Step 2: Convert to fraction form
    36,838.39/50,836.98 = 20,071.39/x
  3. Step 3: Cross multiply
    36,838.39x = 50,836.98 × 20,071.39
  4. Step 4: Simplify right side
    36,838.39x = 1,020,368,775.08
  5. Step 5: Solve for x
    x = 1,020,368,775.08/36,838.39
  6. Step 6: Final answer
    x = 27,698.52

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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.