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Finding the Fourth Proportional to 45,602.52, 68,374.14 and 18,941.22

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Solution

The fourth proportional to 45,602.52, 68,374.14 and 18,941.22 is: 28,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,602.52 : 68,374.14 = 18,941.22 : x
  2. Step 2: Convert to fraction form
    45,602.52/68,374.14 = 18,941.22/x
  3. Step 3: Cross multiply
    45,602.52x = 68,374.14 × 18,941.22
  4. Step 4: Simplify right side
    45,602.52x = 1,295,089,628.05
  5. Step 5: Solve for x
    x = 1,295,089,628.05/45,602.52
  6. Step 6: Final answer
    x = 28,399.52

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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.