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Finding the Fourth Proportional to 66,644,900.82, 91,968,745.41 and 37,671,524.82

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Solution

The fourth proportional to 66,644,900.82, 91,968,745.41 and 37,671,524.82 is: 51,986,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644,900.82 : 91,968,745.41 = 37,671,524.82 : x
  2. Step 2: Convert to fraction form
    66,644,900.82/91,968,745.41 = 37,671,524.82/x
  3. Step 3: Cross multiply
    66,644,900.82x = 91,968,745.41 × 37,671,524.82
  4. Step 4: Simplify right side
    66,644,900.82x = 3,464,602,875,377,076
  5. Step 5: Solve for x
    x = 3,464,602,875,377,076/66,644,900.82
  6. Step 6: Final answer
    x = 51,986,015.93

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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.