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Finding the Fourth Proportional to 7,475.96, 11,213.96 and 7,019.26

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Solution

The fourth proportional to 7,475.96, 11,213.96 and 7,019.26 is: 10,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.96 : 11,213.96 = 7,019.26 : x
  2. Step 2: Convert to fraction form
    7,475.96/11,213.96 = 7,019.26/x
  3. Step 3: Cross multiply
    7,475.96x = 11,213.96 × 7,019.26
  4. Step 4: Simplify right side
    7,475.96x = 78,713,677.22
  5. Step 5: Solve for x
    x = 78,713,677.22/7,475.96
  6. Step 6: Final answer
    x = 10,528.90

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Similar ratio
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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.