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Finding the Fourth Proportional to 20,079.60, 30,097.80 and 7,594.80

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Solution

The fourth proportional to 20,079.60, 30,097.80 and 7,594.80 is: 11,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.60 : 30,097.80 = 7,594.80 : x
  2. Step 2: Convert to fraction form
    20,079.60/30,097.80 = 7,594.80/x
  3. Step 3: Cross multiply
    20,079.60x = 30,097.80 × 7,594.80
  4. Step 4: Simplify right side
    20,079.60x = 228,586,771.44
  5. Step 5: Solve for x
    x = 228,586,771.44/20,079.60
  6. Step 6: Final answer
    x = 11,384.03

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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.