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Finding the Fourth Proportional to 40,063.50, 60,096.06 and 12,361.50

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Solution

The fourth proportional to 40,063.50, 60,096.06 and 12,361.50 is: 18,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,063.50 : 60,096.06 = 12,361.50 : x
  2. Step 2: Convert to fraction form
    40,063.50/60,096.06 = 12,361.50/x
  3. Step 3: Cross multiply
    40,063.50x = 60,096.06 × 12,361.50
  4. Step 4: Simplify right side
    40,063.50x = 742,877,445.69
  5. Step 5: Solve for x
    x = 742,877,445.69/40,063.50
  6. Step 6: Final answer
    x = 18,542.50

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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.