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Finding the Fourth Proportional to 23,419.72, 35,129.22 and 11,732.68

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Solution

The fourth proportional to 23,419.72, 35,129.22 and 11,732.68 is: 17,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.72 : 35,129.22 = 11,732.68 : x
  2. Step 2: Convert to fraction form
    23,419.72/35,129.22 = 11,732.68/x
  3. Step 3: Cross multiply
    23,419.72x = 35,129.22 × 11,732.68
  4. Step 4: Simplify right side
    23,419.72x = 412,159,896.91
  5. Step 5: Solve for x
    x = 412,159,896.91/23,419.72
  6. Step 6: Final answer
    x = 17,598.84

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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.