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Finding the Fourth Proportional to 60,648.63, 90,969.90 and 23,226.63

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Solution

The fourth proportional to 60,648.63, 90,969.90 and 23,226.63 is: 34,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,648.63 : 90,969.90 = 23,226.63 : x
  2. Step 2: Convert to fraction form
    60,648.63/90,969.90 = 23,226.63/x
  3. Step 3: Cross multiply
    60,648.63x = 90,969.90 × 23,226.63
  4. Step 4: Simplify right side
    60,648.63x = 2,112,924,208.44
  5. Step 5: Solve for x
    x = 2,112,924,208.44/60,648.63
  6. Step 6: Final answer
    x = 34,838.78

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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.