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Finding the Fourth Proportional to 37,701.30, 52,027.80 and 20,934.30

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Solution

The fourth proportional to 37,701.30, 52,027.80 and 20,934.30 is: 28,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,701.30 : 52,027.80 = 20,934.30 : x
  2. Step 2: Convert to fraction form
    37,701.30/52,027.80 = 20,934.30/x
  3. Step 3: Cross multiply
    37,701.30x = 52,027.80 × 20,934.30
  4. Step 4: Simplify right side
    37,701.30x = 1,089,165,573.54
  5. Step 5: Solve for x
    x = 1,089,165,573.54/37,701.30
  6. Step 6: Final answer
    x = 28,889.34

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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.