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Finding the Fourth Proportional to 7,293.76, 10,940.10 and 2,850.59

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Solution

The fourth proportional to 7,293.76, 10,940.10 and 2,850.59 is: 4,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.76 : 10,940.10 = 2,850.59 : x
  2. Step 2: Convert to fraction form
    7,293.76/10,940.10 = 2,850.59/x
  3. Step 3: Cross multiply
    7,293.76x = 10,940.10 × 2,850.59
  4. Step 4: Simplify right side
    7,293.76x = 31,185,684.96
  5. Step 5: Solve for x
    x = 31,185,684.96/7,293.76
  6. Step 6: Final answer
    x = 4,275.67

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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.