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Finding the Fourth Proportional to 13,030.09, 19,544.86 and 3,169.42

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Solution

The fourth proportional to 13,030.09, 19,544.86 and 3,169.42 is: 4,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.09 : 19,544.86 = 3,169.42 : x
  2. Step 2: Convert to fraction form
    13,030.09/19,544.86 = 3,169.42/x
  3. Step 3: Cross multiply
    13,030.09x = 19,544.86 × 3,169.42
  4. Step 4: Simplify right side
    13,030.09x = 61,945,870.18
  5. Step 5: Solve for x
    x = 61,945,870.18/13,030.09
  6. Step 6: Final answer
    x = 4,754.06

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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.