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Finding the Fourth Proportional to 33,106.76, 45,687.30 and 17,999.40

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Solution

The fourth proportional to 33,106.76, 45,687.30 and 17,999.40 is: 24,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.76 : 45,687.30 = 17,999.40 : x
  2. Step 2: Convert to fraction form
    33,106.76/45,687.30 = 17,999.40/x
  3. Step 3: Cross multiply
    33,106.76x = 45,687.30 × 17,999.40
  4. Step 4: Simplify right side
    33,106.76x = 822,343,987.62
  5. Step 5: Solve for x
    x = 822,343,987.62/33,106.76
  6. Step 6: Final answer
    x = 24,839.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.