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Finding the Fourth Proportional to 33,709, 46,518.42 and 18,805

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Solution

The fourth proportional to 33,709, 46,518.42 and 18,805 is: 25,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,709 : 46,518.42 = 18,805 : x
  2. Step 2: Convert to fraction form
    33,709/46,518.42 = 18,805/x
  3. Step 3: Cross multiply
    33,709x = 46,518.42 × 18,805
  4. Step 4: Simplify right side
    33,709x = 874,778,888.10
  5. Step 5: Solve for x
    x = 874,778,888.10/33,709
  6. Step 6: Final answer
    x = 25,950.90

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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.