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Finding the Fourth Proportional to 15,698,745.45, 23,548,118.18 and 15,698,745.45

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Solution

The fourth proportional to 15,698,745.45, 23,548,118.18 and 15,698,745.45 is: 23,548,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698,745.45 : 23,548,118.18 = 15,698,745.45 : x
  2. Step 2: Convert to fraction form
    15,698,745.45/23,548,118.18 = 15,698,745.45/x
  3. Step 3: Cross multiply
    15,698,745.45x = 23,548,118.18 × 15,698,745.45
  4. Step 4: Simplify right side
    15,698,745.45x = 369,675,913,055,843.56
  5. Step 5: Solve for x
    x = 369,675,913,055,843.56/15,698,745.45
  6. Step 6: Final answer
    x = 23,548,118.18

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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.