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Finding the Fourth Proportional to 7,322.38, 10,994.50 and 7,213.03

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Solution

The fourth proportional to 7,322.38, 10,994.50 and 7,213.03 is: 10,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.38 : 10,994.50 = 7,213.03 : x
  2. Step 2: Convert to fraction form
    7,322.38/10,994.50 = 7,213.03/x
  3. Step 3: Cross multiply
    7,322.38x = 10,994.50 × 7,213.03
  4. Step 4: Simplify right side
    7,322.38x = 79,303,658.34
  5. Step 5: Solve for x
    x = 79,303,658.34/7,322.38
  6. Step 6: Final answer
    x = 10,830.31

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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.