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Finding the Fourth Proportional to 17,966,745.60, 26,950,118.40 and 6,604,843.20

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Solution

The fourth proportional to 17,966,745.60, 26,950,118.40 and 6,604,843.20 is: 9,907,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,745.60 : 26,950,118.40 = 6,604,843.20 : x
  2. Step 2: Convert to fraction form
    17,966,745.60/26,950,118.40 = 6,604,843.20/x
  3. Step 3: Cross multiply
    17,966,745.60x = 26,950,118.40 × 6,604,843.20
  4. Step 4: Simplify right side
    17,966,745.60x = 178,001,306,253,434.88
  5. Step 5: Solve for x
    x = 178,001,306,253,434.88/17,966,745.60
  6. Step 6: Final answer
    x = 9,907,264.80

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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.