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Finding the Fourth Proportional to 61,109.70, 91,684.49 and 29,523.39

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Solution

The fourth proportional to 61,109.70, 91,684.49 and 29,523.39 is: 44,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,109.70 : 91,684.49 = 29,523.39 : x
  2. Step 2: Convert to fraction form
    61,109.70/91,684.49 = 29,523.39/x
  3. Step 3: Cross multiply
    61,109.70x = 91,684.49 × 29,523.39
  4. Step 4: Simplify right side
    61,109.70x = 2,706,836,955.22
  5. Step 5: Solve for x
    x = 2,706,836,955.22/61,109.70
  6. Step 6: Final answer
    x = 44,294.72

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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.