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Finding the Fourth Proportional to 30,319.36, 45,395.07 and 15,496.36

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Solution

The fourth proportional to 30,319.36, 45,395.07 and 15,496.36 is: 23,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.36 : 45,395.07 = 15,496.36 : x
  2. Step 2: Convert to fraction form
    30,319.36/45,395.07 = 15,496.36/x
  3. Step 3: Cross multiply
    30,319.36x = 45,395.07 × 15,496.36
  4. Step 4: Simplify right side
    30,319.36x = 703,458,346.95
  5. Step 5: Solve for x
    x = 703,458,346.95/30,319.36
  6. Step 6: Final answer
    x = 23,201.62

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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.