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Finding the Fourth Proportional to 40,984.60, 61,484.10 and 14,704.60

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Solution

The fourth proportional to 40,984.60, 61,484.10 and 14,704.60 is: 22,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.60 : 61,484.10 = 14,704.60 : x
  2. Step 2: Convert to fraction form
    40,984.60/61,484.10 = 14,704.60/x
  3. Step 3: Cross multiply
    40,984.60x = 61,484.10 × 14,704.60
  4. Step 4: Simplify right side
    40,984.60x = 904,099,096.86
  5. Step 5: Solve for x
    x = 904,099,096.86/40,984.60
  6. Step 6: Final answer
    x = 22,059.48

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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.