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Finding the Fourth Proportional to 22,967,432.80, 34,415,719.80 and 19,920,504.40

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Solution

The fourth proportional to 22,967,432.80, 34,415,719.80 and 19,920,504.40 is: 29,850,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,967,432.80 : 34,415,719.80 = 19,920,504.40 : x
  2. Step 2: Convert to fraction form
    22,967,432.80/34,415,719.80 = 19,920,504.40/x
  3. Step 3: Cross multiply
    22,967,432.80x = 34,415,719.80 × 19,920,504.40
  4. Step 4: Simplify right side
    22,967,432.80x = 685,578,497,705,067
  5. Step 5: Solve for x
    x = 685,578,497,705,067/22,967,432.80
  6. Step 6: Final answer
    x = 29,850,027.37

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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.