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Finding the Fourth Proportional to 18,444,745.90, 27,617,352.45 and 18,444,745.90

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Solution

The fourth proportional to 18,444,745.90, 27,617,352.45 and 18,444,745.90 is: 27,617,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,745.90 : 27,617,352.45 = 18,444,745.90 : x
  2. Step 2: Convert to fraction form
    18,444,745.90/27,617,352.45 = 18,444,745.90/x
  3. Step 3: Cross multiply
    18,444,745.90x = 27,617,352.45 × 18,444,745.90
  4. Step 4: Simplify right side
    18,444,745.90x = 509,395,048,370,992.38
  5. Step 5: Solve for x
    x = 509,395,048,370,992.38/18,444,745.90
  6. Step 6: Final answer
    x = 27,617,352.45

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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.