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Finding the Fourth Proportional to 19,076.58, 28,619.19 and 7,393.14

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Solution

The fourth proportional to 19,076.58, 28,619.19 and 7,393.14 is: 11,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.58 : 28,619.19 = 7,393.14 : x
  2. Step 2: Convert to fraction form
    19,076.58/28,619.19 = 7,393.14/x
  3. Step 3: Cross multiply
    19,076.58x = 28,619.19 × 7,393.14
  4. Step 4: Simplify right side
    19,076.58x = 211,585,678.36
  5. Step 5: Solve for x
    x = 211,585,678.36/19,076.58
  6. Step 6: Final answer
    x = 11,091.38

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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.