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Finding the Fourth Proportional to 17,777.98, 26,609.10 and 13,096.15

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Solution

The fourth proportional to 17,777.98, 26,609.10 and 13,096.15 is: 19,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.98 : 26,609.10 = 13,096.15 : x
  2. Step 2: Convert to fraction form
    17,777.98/26,609.10 = 13,096.15/x
  3. Step 3: Cross multiply
    17,777.98x = 26,609.10 × 13,096.15
  4. Step 4: Simplify right side
    17,777.98x = 348,476,764.97
  5. Step 5: Solve for x
    x = 348,476,764.97/17,777.98
  6. Step 6: Final answer
    x = 19,601.60

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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.