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Finding the Fourth Proportional to 7,246.80, 10,848.60 and 6,819.60

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Solution

The fourth proportional to 7,246.80, 10,848.60 and 6,819.60 is: 10,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.80 : 10,848.60 = 6,819.60 : x
  2. Step 2: Convert to fraction form
    7,246.80/10,848.60 = 6,819.60/x
  3. Step 3: Cross multiply
    7,246.80x = 10,848.60 × 6,819.60
  4. Step 4: Simplify right side
    7,246.80x = 73,983,112.56
  5. Step 5: Solve for x
    x = 73,983,112.56/7,246.80
  6. Step 6: Final answer
    x = 10,209.07

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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.