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Finding the Fourth Proportional to 60,949.71, 84,076.74 and 35,453.21

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Solution

The fourth proportional to 60,949.71, 84,076.74 and 35,453.21 is: 48,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,949.71 : 84,076.74 = 35,453.21 : x
  2. Step 2: Convert to fraction form
    60,949.71/84,076.74 = 35,453.21/x
  3. Step 3: Cross multiply
    60,949.71x = 84,076.74 × 35,453.21
  4. Step 4: Simplify right side
    60,949.71x = 2,980,789,898.95
  5. Step 5: Solve for x
    x = 2,980,789,898.95/60,949.71
  6. Step 6: Final answer
    x = 48,905.73

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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.