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Finding the Fourth Proportional to 37,506.42, 51,758.73 and 20,739.42

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Solution

The fourth proportional to 37,506.42, 51,758.73 and 20,739.42 is: 28,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,506.42 : 51,758.73 = 20,739.42 : x
  2. Step 2: Convert to fraction form
    37,506.42/51,758.73 = 20,739.42/x
  3. Step 3: Cross multiply
    37,506.42x = 51,758.73 × 20,739.42
  4. Step 4: Simplify right side
    37,506.42x = 1,073,446,040.14
  5. Step 5: Solve for x
    x = 1,073,446,040.14/37,506.42
  6. Step 6: Final answer
    x = 28,620.33

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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.