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Finding the Fourth Proportional to 40,336.53, 60,512.49 and 15,374.49

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Solution

The fourth proportional to 40,336.53, 60,512.49 and 15,374.49 is: 23,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.53 : 60,512.49 = 15,374.49 : x
  2. Step 2: Convert to fraction form
    40,336.53/60,512.49 = 15,374.49/x
  3. Step 3: Cross multiply
    40,336.53x = 60,512.49 × 15,374.49
  4. Step 4: Simplify right side
    40,336.53x = 930,348,633.94
  5. Step 5: Solve for x
    x = 930,348,633.94/40,336.53
  6. Step 6: Final answer
    x = 23,064.67

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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.