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Finding the Fourth Proportional to 61,243.94, 91,881.54 and 29,669.13

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Solution

The fourth proportional to 61,243.94, 91,881.54 and 29,669.13 is: 44,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,243.94 : 91,881.54 = 29,669.13 : x
  2. Step 2: Convert to fraction form
    61,243.94/91,881.54 = 29,669.13/x
  3. Step 3: Cross multiply
    61,243.94x = 91,881.54 × 29,669.13
  4. Step 4: Simplify right side
    61,243.94x = 2,726,045,354.86
  5. Step 5: Solve for x
    x = 2,726,045,354.86/61,243.94
  6. Step 6: Final answer
    x = 44,511.27

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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.