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Finding the Fourth Proportional to 37,194.50, 51,329.22 and 20,427.50

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Solution

The fourth proportional to 37,194.50, 51,329.22 and 20,427.50 is: 28,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,194.50 : 51,329.22 = 20,427.50 : x
  2. Step 2: Convert to fraction form
    37,194.50/51,329.22 = 20,427.50/x
  3. Step 3: Cross multiply
    37,194.50x = 51,329.22 × 20,427.50
  4. Step 4: Simplify right side
    37,194.50x = 1,048,527,641.55
  5. Step 5: Solve for x
    x = 1,048,527,641.55/37,194.50
  6. Step 6: Final answer
    x = 28,190.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.