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Finding the Fourth Proportional to 33,480, 46,200.60 and 18,372.42

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Solution

The fourth proportional to 33,480, 46,200.60 and 18,372.42 is: 25,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480 : 46,200.60 = 18,372.42 : x
  2. Step 2: Convert to fraction form
    33,480/46,200.60 = 18,372.42/x
  3. Step 3: Cross multiply
    33,480x = 46,200.60 × 18,372.42
  4. Step 4: Simplify right side
    33,480x = 848,816,827.45
  5. Step 5: Solve for x
    x = 848,816,827.45/33,480
  6. Step 6: Final answer
    x = 25,352.95

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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.