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Finding the Fourth Proportional to 37,193.50, 51,327.44 and 20,426.50

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Solution

The fourth proportional to 37,193.50, 51,327.44 and 20,426.50 is: 28,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,193.50 : 51,327.44 = 20,426.50 : x
  2. Step 2: Convert to fraction form
    37,193.50/51,327.44 = 20,426.50/x
  3. Step 3: Cross multiply
    37,193.50x = 51,327.44 × 20,426.50
  4. Step 4: Simplify right side
    37,193.50x = 1,048,439,953.16
  5. Step 5: Solve for x
    x = 1,048,439,953.16/37,193.50
  6. Step 6: Final answer
    x = 28,188.80

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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.