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Finding the Fourth Proportional to 17,672.16, 26,486.37 and 8,902.29

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Solution

The fourth proportional to 17,672.16, 26,486.37 and 8,902.29 is: 13,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.16 : 26,486.37 = 8,902.29 : x
  2. Step 2: Convert to fraction form
    17,672.16/26,486.37 = 8,902.29/x
  3. Step 3: Cross multiply
    17,672.16x = 26,486.37 × 8,902.29
  4. Step 4: Simplify right side
    17,672.16x = 235,789,346.79
  5. Step 5: Solve for x
    x = 235,789,346.79/17,672.16
  6. Step 6: Final answer
    x = 13,342.42

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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.