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Finding the Fourth Proportional to 37,102.52, 51,198.90 and 21,994.40

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Solution

The fourth proportional to 37,102.52, 51,198.90 and 21,994.40 is: 30,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,102.52 : 51,198.90 = 21,994.40 : x
  2. Step 2: Convert to fraction form
    37,102.52/51,198.90 = 21,994.40/x
  3. Step 3: Cross multiply
    37,102.52x = 51,198.90 × 21,994.40
  4. Step 4: Simplify right side
    37,102.52x = 1,126,089,086.16
  5. Step 5: Solve for x
    x = 1,126,089,086.16/37,102.52
  6. Step 6: Final answer
    x = 30,350.74

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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.