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Finding the Fourth Proportional to 33,808, 46,657.20 and 18,904

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Solution

The fourth proportional to 33,808, 46,657.20 and 18,904 is: 26,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808 : 46,657.20 = 18,904 : x
  2. Step 2: Convert to fraction form
    33,808/46,657.20 = 18,904/x
  3. Step 3: Cross multiply
    33,808x = 46,657.20 × 18,904
  4. Step 4: Simplify right side
    33,808x = 882,007,708.80
  5. Step 5: Solve for x
    x = 882,007,708.80/33,808
  6. Step 6: Final answer
    x = 26,088.73

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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.