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Finding the Fourth Proportional to 17,668.42, 26,508.66 and 8,900.98

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Solution

The fourth proportional to 17,668.42, 26,508.66 and 8,900.98 is: 13,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.42 : 26,508.66 = 8,900.98 : x
  2. Step 2: Convert to fraction form
    17,668.42/26,508.66 = 8,900.98/x
  3. Step 3: Cross multiply
    17,668.42x = 26,508.66 × 8,900.98
  4. Step 4: Simplify right side
    17,668.42x = 235,953,052.49
  5. Step 5: Solve for x
    x = 235,953,052.49/17,668.42
  6. Step 6: Final answer
    x = 13,354.51

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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.