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Finding the Fourth Proportional to 33,188.40, 49,840.20 and 17,636.40

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Solution

The fourth proportional to 33,188.40, 49,840.20 and 17,636.40 is: 26,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.40 : 49,840.20 = 17,636.40 : x
  2. Step 2: Convert to fraction form
    33,188.40/49,840.20 = 17,636.40/x
  3. Step 3: Cross multiply
    33,188.40x = 49,840.20 × 17,636.40
  4. Step 4: Simplify right side
    33,188.40x = 879,001,703.28
  5. Step 5: Solve for x
    x = 879,001,703.28/33,188.40
  6. Step 6: Final answer
    x = 26,485.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.