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Finding the Fourth Proportional to 33,319.17, 45,980.46 and 18,415.17

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Solution

The fourth proportional to 33,319.17, 45,980.46 and 18,415.17 is: 25,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.17 : 45,980.46 = 18,415.17 : x
  2. Step 2: Convert to fraction form
    33,319.17/45,980.46 = 18,415.17/x
  3. Step 3: Cross multiply
    33,319.17x = 45,980.46 × 18,415.17
  4. Step 4: Simplify right side
    33,319.17x = 846,737,987.58
  5. Step 5: Solve for x
    x = 846,737,987.58/33,319.17
  6. Step 6: Final answer
    x = 25,412.94

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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.