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Finding the Fourth Proportional to 15,584,648.40, 23,400,592.20 and 11,994,469.20

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Solution

The fourth proportional to 15,584,648.40, 23,400,592.20 and 11,994,469.20 is: 18,009,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,648.40 : 23,400,592.20 = 11,994,469.20 : x
  2. Step 2: Convert to fraction form
    15,584,648.40/23,400,592.20 = 11,994,469.20/x
  3. Step 3: Cross multiply
    15,584,648.40x = 23,400,592.20 × 11,994,469.20
  4. Step 4: Simplify right side
    15,584,648.40x = 280,677,682,404,660.22
  5. Step 5: Solve for x
    x = 280,677,682,404,660.22/15,584,648.40
  6. Step 6: Final answer
    x = 18,009,882.24

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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.