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Finding the Fourth Proportional to 30,185.70, 41,646.60 and 17,437.20

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Solution

The fourth proportional to 30,185.70, 41,646.60 and 17,437.20 is: 24,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.70 : 41,646.60 = 17,437.20 : x
  2. Step 2: Convert to fraction form
    30,185.70/41,646.60 = 17,437.20/x
  3. Step 3: Cross multiply
    30,185.70x = 41,646.60 × 17,437.20
  4. Step 4: Simplify right side
    30,185.70x = 726,200,093.52
  5. Step 5: Solve for x
    x = 726,200,093.52/30,185.70
  6. Step 6: Final answer
    x = 24,057.75

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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.