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Finding the Fourth Proportional to 33,716.50, 46,528.80 and 18,812.50

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Solution

The fourth proportional to 33,716.50, 46,528.80 and 18,812.50 is: 25,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,716.50 : 46,528.80 = 18,812.50 : x
  2. Step 2: Convert to fraction form
    33,716.50/46,528.80 = 18,812.50/x
  3. Step 3: Cross multiply
    33,716.50x = 46,528.80 × 18,812.50
  4. Step 4: Simplify right side
    33,716.50x = 875,323,050
  5. Step 5: Solve for x
    x = 875,323,050/33,716.50
  6. Step 6: Final answer
    x = 25,961.27

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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.