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Finding the Fourth Proportional to 7,236.64, 10,852.74 and 2,793.28

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Solution

The fourth proportional to 7,236.64, 10,852.74 and 2,793.28 is: 4,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.64 : 10,852.74 = 2,793.28 : x
  2. Step 2: Convert to fraction form
    7,236.64/10,852.74 = 2,793.28/x
  3. Step 3: Cross multiply
    7,236.64x = 10,852.74 × 2,793.28
  4. Step 4: Simplify right side
    7,236.64x = 30,314,741.59
  5. Step 5: Solve for x
    x = 30,314,741.59/7,236.64
  6. Step 6: Final answer
    x = 4,189.06

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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.