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Finding the Fourth Proportional to 5,603.44, 8,404.44 and 1,905.52

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Solution

The fourth proportional to 5,603.44, 8,404.44 and 1,905.52 is: 2,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.44 : 8,404.44 = 1,905.52 : x
  2. Step 2: Convert to fraction form
    5,603.44/8,404.44 = 1,905.52/x
  3. Step 3: Cross multiply
    5,603.44x = 8,404.44 × 1,905.52
  4. Step 4: Simplify right side
    5,603.44x = 16,014,828.51
  5. Step 5: Solve for x
    x = 16,014,828.51/5,603.44
  6. Step 6: Final answer
    x = 2,858.04

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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.