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Finding the Fourth Proportional to 19,048.80, 28,584.48 and 9,198.24

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Solution

The fourth proportional to 19,048.80, 28,584.48 and 9,198.24 is: 13,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.80 : 28,584.48 = 9,198.24 : x
  2. Step 2: Convert to fraction form
    19,048.80/28,584.48 = 9,198.24/x
  3. Step 3: Cross multiply
    19,048.80x = 28,584.48 × 9,198.24
  4. Step 4: Simplify right side
    19,048.80x = 262,926,907.32
  5. Step 5: Solve for x
    x = 262,926,907.32/19,048.80
  6. Step 6: Final answer
    x = 13,802.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.