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Finding the Fourth Proportional to 3,554,796.38, 4,905,745.16 and 2,006,435.07

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Solution

The fourth proportional to 3,554,796.38, 4,905,745.16 and 2,006,435.07 is: 2,768,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554,796.38 : 4,905,745.16 = 2,006,435.07 : x
  2. Step 2: Convert to fraction form
    3,554,796.38/4,905,745.16 = 2,006,435.07/x
  3. Step 3: Cross multiply
    3,554,796.38x = 4,905,745.16 × 2,006,435.07
  4. Step 4: Simplify right side
    3,554,796.38x = 9,843,059,123,474.59
  5. Step 5: Solve for x
    x = 9,843,059,123,474.59/3,554,796.38
  6. Step 6: Final answer
    x = 2,768,951.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.