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Finding the Fourth Proportional to 7,903.48, 10,894.24 and 6,222.23

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Solution

The fourth proportional to 7,903.48, 10,894.24 and 6,222.23 is: 8,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.48 : 10,894.24 = 6,222.23 : x
  2. Step 2: Convert to fraction form
    7,903.48/10,894.24 = 6,222.23/x
  3. Step 3: Cross multiply
    7,903.48x = 10,894.24 × 6,222.23
  4. Step 4: Simplify right side
    7,903.48x = 67,786,466.96
  5. Step 5: Solve for x
    x = 67,786,466.96/7,903.48
  6. Step 6: Final answer
    x = 8,576.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.