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Finding the Fourth Proportional to 44,980, 62,072.64 and 25,108

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Solution

The fourth proportional to 44,980, 62,072.64 and 25,108 is: 34,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,980 : 62,072.64 = 25,108 : x
  2. Step 2: Convert to fraction form
    44,980/62,072.64 = 25,108/x
  3. Step 3: Cross multiply
    44,980x = 62,072.64 × 25,108
  4. Step 4: Simplify right side
    44,980x = 1,558,519,845.12
  5. Step 5: Solve for x
    x = 1,558,519,845.12/44,980
  6. Step 6: Final answer
    x = 34,649.17

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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.