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Finding the Fourth Proportional to 17,551,431.45, 26,279,907.98 and 17,551,431.45

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Solution

The fourth proportional to 17,551,431.45, 26,279,907.98 and 17,551,431.45 is: 26,279,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551,431.45 : 26,279,907.98 = 17,551,431.45 : x
  2. Step 2: Convert to fraction form
    17,551,431.45/26,279,907.98 = 17,551,431.45/x
  3. Step 3: Cross multiply
    17,551,431.45x = 26,279,907.98 × 17,551,431.45
  4. Step 4: Simplify right side
    17,551,431.45x = 461,250,003,335,520.81
  5. Step 5: Solve for x
    x = 461,250,003,335,520.81/17,551,431.45
  6. Step 6: Final answer
    x = 26,279,907.98

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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.