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Finding the Fourth Proportional to 11,354.76, 17,020.62 and 7,193.48

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Solution

The fourth proportional to 11,354.76, 17,020.62 and 7,193.48 is: 10,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.76 : 17,020.62 = 7,193.48 : x
  2. Step 2: Convert to fraction form
    11,354.76/17,020.62 = 7,193.48/x
  3. Step 3: Cross multiply
    11,354.76x = 17,020.62 × 7,193.48
  4. Step 4: Simplify right side
    11,354.76x = 122,437,489.56
  5. Step 5: Solve for x
    x = 122,437,489.56/11,354.76
  6. Step 6: Final answer
    x = 10,782.92

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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.