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Finding the Fourth Proportional to 17,723.72, 26,562.48 and 8,953.88

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Solution

The fourth proportional to 17,723.72, 26,562.48 and 8,953.88 is: 13,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,723.72 : 26,562.48 = 8,953.88 : x
  2. Step 2: Convert to fraction form
    17,723.72/26,562.48 = 8,953.88/x
  3. Step 3: Cross multiply
    17,723.72x = 26,562.48 × 8,953.88
  4. Step 4: Simplify right side
    17,723.72x = 237,837,258.42
  5. Step 5: Solve for x
    x = 237,837,258.42/17,723.72
  6. Step 6: Final answer
    x = 13,419.15

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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.