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Finding the Fourth Proportional to 37,344.64, 55,986.72 and 13,967.68

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Solution

The fourth proportional to 37,344.64, 55,986.72 and 13,967.68 is: 20,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,344.64 : 55,986.72 = 13,967.68 : x
  2. Step 2: Convert to fraction form
    37,344.64/55,986.72 = 13,967.68/x
  3. Step 3: Cross multiply
    37,344.64x = 55,986.72 × 13,967.68
  4. Step 4: Simplify right side
    37,344.64x = 782,004,589.21
  5. Step 5: Solve for x
    x = 782,004,589.21/37,344.64
  6. Step 6: Final answer
    x = 20,940.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.