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Finding the Fourth Proportional to 37,959.28, 56,933.07 and 12,993.60

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Solution

The fourth proportional to 37,959.28, 56,933.07 and 12,993.60 is: 19,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.28 : 56,933.07 = 12,993.60 : x
  2. Step 2: Convert to fraction form
    37,959.28/56,933.07 = 12,993.60/x
  3. Step 3: Cross multiply
    37,959.28x = 56,933.07 × 12,993.60
  4. Step 4: Simplify right side
    37,959.28x = 739,765,538.35
  5. Step 5: Solve for x
    x = 739,765,538.35/37,959.28
  6. Step 6: Final answer
    x = 19,488.40

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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.