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Finding the Fourth Proportional to 20,594.25, 30,873.05 and 7,443.70

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Solution

The fourth proportional to 20,594.25, 30,873.05 and 7,443.70 is: 11,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.25 : 30,873.05 = 7,443.70 : x
  2. Step 2: Convert to fraction form
    20,594.25/30,873.05 = 7,443.70/x
  3. Step 3: Cross multiply
    20,594.25x = 30,873.05 × 7,443.70
  4. Step 4: Simplify right side
    20,594.25x = 229,809,635.80
  5. Step 5: Solve for x
    x = 229,809,635.80/20,594.25
  6. Step 6: Final answer
    x = 11,158.92

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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.