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Finding the Fourth Proportional to 7,267.28, 10,900.28 and 4,494.38

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Solution

The fourth proportional to 7,267.28, 10,900.28 and 4,494.38 is: 6,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.28 : 10,900.28 = 4,494.38 : x
  2. Step 2: Convert to fraction form
    7,267.28/10,900.28 = 4,494.38/x
  3. Step 3: Cross multiply
    7,267.28x = 10,900.28 × 4,494.38
  4. Step 4: Simplify right side
    7,267.28x = 48,990,000.43
  5. Step 5: Solve for x
    x = 48,990,000.43/7,267.28
  6. Step 6: Final answer
    x = 6,741.17

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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.