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Finding the Fourth Proportional to 19,094.44, 28,640.52 and 11,352.52

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Solution

The fourth proportional to 19,094.44, 28,640.52 and 11,352.52 is: 17,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.44 : 28,640.52 = 11,352.52 : x
  2. Step 2: Convert to fraction form
    19,094.44/28,640.52 = 11,352.52/x
  3. Step 3: Cross multiply
    19,094.44x = 28,640.52 × 11,352.52
  4. Step 4: Simplify right side
    19,094.44x = 325,142,076.11
  5. Step 5: Solve for x
    x = 325,142,076.11/19,094.44
  6. Step 6: Final answer
    x = 17,028.10

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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.