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Finding the Fourth Proportional to 6,750.28, 10,125.36 and 2,133.28

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Solution

The fourth proportional to 6,750.28, 10,125.36 and 2,133.28 is: 3,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.28 : 10,125.36 = 2,133.28 : x
  2. Step 2: Convert to fraction form
    6,750.28/10,125.36 = 2,133.28/x
  3. Step 3: Cross multiply
    6,750.28x = 10,125.36 × 2,133.28
  4. Step 4: Simplify right side
    6,750.28x = 21,600,227.98
  5. Step 5: Solve for x
    x = 21,600,227.98/6,750.28
  6. Step 6: Final answer
    x = 3,199.90

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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.