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Finding the Fourth Proportional to 13,048.65, 19,576.35 and 5,651.39

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Solution

The fourth proportional to 13,048.65, 19,576.35 and 5,651.39 is: 8,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.65 : 19,576.35 = 5,651.39 : x
  2. Step 2: Convert to fraction form
    13,048.65/19,576.35 = 5,651.39/x
  3. Step 3: Cross multiply
    13,048.65x = 19,576.35 × 5,651.39
  4. Step 4: Simplify right side
    13,048.65x = 110,633,637.57
  5. Step 5: Solve for x
    x = 110,633,637.57/13,048.65
  6. Step 6: Final answer
    x = 8,478.55

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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.