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Finding the Fourth Proportional to 43,100.84, 64,630.44 and 15,020.24

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Solution

The fourth proportional to 43,100.84, 64,630.44 and 15,020.24 is: 22,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.84 : 64,630.44 = 15,020.24 : x
  2. Step 2: Convert to fraction form
    43,100.84/64,630.44 = 15,020.24/x
  3. Step 3: Cross multiply
    43,100.84x = 64,630.44 × 15,020.24
  4. Step 4: Simplify right side
    43,100.84x = 970,764,396.95
  5. Step 5: Solve for x
    x = 970,764,396.95/43,100.84
  6. Step 6: Final answer
    x = 22,523.10

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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.