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Finding the Fourth Proportional to 7,110.56, 10,662.18 and 4,149.93

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Solution

The fourth proportional to 7,110.56, 10,662.18 and 4,149.93 is: 6,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.56 : 10,662.18 = 4,149.93 : x
  2. Step 2: Convert to fraction form
    7,110.56/10,662.18 = 4,149.93/x
  3. Step 3: Cross multiply
    7,110.56x = 10,662.18 × 4,149.93
  4. Step 4: Simplify right side
    7,110.56x = 44,247,300.65
  5. Step 5: Solve for x
    x = 44,247,300.65/7,110.56
  6. Step 6: Final answer
    x = 6,222.76

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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.