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Finding the Fourth Proportional to 11,376.08, 17,082.64 and 7,021.22

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Solution

The fourth proportional to 11,376.08, 17,082.64 and 7,021.22 is: 10,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.08 : 17,082.64 = 7,021.22 : x
  2. Step 2: Convert to fraction form
    11,376.08/17,082.64 = 7,021.22/x
  3. Step 3: Cross multiply
    11,376.08x = 17,082.64 × 7,021.22
  4. Step 4: Simplify right side
    11,376.08x = 119,940,973.62
  5. Step 5: Solve for x
    x = 119,940,973.62/11,376.08
  6. Step 6: Final answer
    x = 10,543.26

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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.