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Finding the Fourth Proportional to 60,801.54, 91,224.83 and 20,824.49

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Solution

The fourth proportional to 60,801.54, 91,224.83 and 20,824.49 is: 31,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,801.54 : 91,224.83 = 20,824.49 : x
  2. Step 2: Convert to fraction form
    60,801.54/91,224.83 = 20,824.49/x
  3. Step 3: Cross multiply
    60,801.54x = 91,224.83 × 20,824.49
  4. Step 4: Simplify right side
    60,801.54x = 1,899,710,840.21
  5. Step 5: Solve for x
    x = 1,899,710,840.21/60,801.54
  6. Step 6: Final answer
    x = 31,244.45

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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.