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Finding the Fourth Proportional to 7,022.92, 10,525.98 and 3,122.92

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Solution

The fourth proportional to 7,022.92, 10,525.98 and 3,122.92 is: 4,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.92 : 10,525.98 = 3,122.92 : x
  2. Step 2: Convert to fraction form
    7,022.92/10,525.98 = 3,122.92/x
  3. Step 3: Cross multiply
    7,022.92x = 10,525.98 × 3,122.92
  4. Step 4: Simplify right side
    7,022.92x = 32,871,793.46
  5. Step 5: Solve for x
    x = 32,871,793.46/7,022.92
  6. Step 6: Final answer
    x = 4,680.64

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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.