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Finding the Fourth Proportional to 40,630.55, 60,947.03 and 11,049.01

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Solution

The fourth proportional to 40,630.55, 60,947.03 and 11,049.01 is: 16,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.55 : 60,947.03 = 11,049.01 : x
  2. Step 2: Convert to fraction form
    40,630.55/60,947.03 = 11,049.01/x
  3. Step 3: Cross multiply
    40,630.55x = 60,947.03 × 11,049.01
  4. Step 4: Simplify right side
    40,630.55x = 673,404,219.20
  5. Step 5: Solve for x
    x = 673,404,219.20/40,630.55
  6. Step 6: Final answer
    x = 16,573.84

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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.