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Finding the Fourth Proportional to 74,954.40, 103,447.94 and 44,741

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Solution

The fourth proportional to 74,954.40, 103,447.94 and 44,741 is: 61,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.40 : 103,447.94 = 44,741 : x
  2. Step 2: Convert to fraction form
    74,954.40/103,447.94 = 44,741/x
  3. Step 3: Cross multiply
    74,954.40x = 103,447.94 × 44,741
  4. Step 4: Simplify right side
    74,954.40x = 4,628,364,283.54
  5. Step 5: Solve for x
    x = 4,628,364,283.54/74,954.40
  6. Step 6: Final answer
    x = 61,749.07

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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.