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Finding the Fourth Proportional to 8,300.44, 12,450.66 and 5,695.48

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Solution

The fourth proportional to 8,300.44, 12,450.66 and 5,695.48 is: 8,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.44 : 12,450.66 = 5,695.48 : x
  2. Step 2: Convert to fraction form
    8,300.44/12,450.66 = 5,695.48/x
  3. Step 3: Cross multiply
    8,300.44x = 12,450.66 × 5,695.48
  4. Step 4: Simplify right side
    8,300.44x = 70,912,485.02
  5. Step 5: Solve for x
    x = 70,912,485.02/8,300.44
  6. Step 6: Final answer
    x = 8,543.22

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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.