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Finding the Fourth Proportional to 64,625.93, 89,182.21 and 35,945.49

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Solution

The fourth proportional to 64,625.93, 89,182.21 and 35,945.49 is: 49,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,625.93 : 89,182.21 = 35,945.49 : x
  2. Step 2: Convert to fraction form
    64,625.93/89,182.21 = 35,945.49/x
  3. Step 3: Cross multiply
    64,625.93x = 89,182.21 × 35,945.49
  4. Step 4: Simplify right side
    64,625.93x = 3,205,698,058.01
  5. Step 5: Solve for x
    x = 3,205,698,058.01/64,625.93
  6. Step 6: Final answer
    x = 49,603.90

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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.