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Finding the Fourth Proportional to 11,373.92, 17,057.64 and 7,207.64

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Solution

The fourth proportional to 11,373.92, 17,057.64 and 7,207.64 is: 10,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.92 : 17,057.64 = 7,207.64 : x
  2. Step 2: Convert to fraction form
    11,373.92/17,057.64 = 7,207.64/x
  3. Step 3: Cross multiply
    11,373.92x = 17,057.64 × 7,207.64
  4. Step 4: Simplify right side
    11,373.92x = 122,945,328.37
  5. Step 5: Solve for x
    x = 122,945,328.37/11,373.92
  6. Step 6: Final answer
    x = 10,809.41

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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.