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Finding the Fourth Proportional to 17,425.86, 26,125.38 and 8,653.98

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Solution

The fourth proportional to 17,425.86, 26,125.38 and 8,653.98 is: 12,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,425.86 : 26,125.38 = 8,653.98 : x
  2. Step 2: Convert to fraction form
    17,425.86/26,125.38 = 8,653.98/x
  3. Step 3: Cross multiply
    17,425.86x = 26,125.38 × 8,653.98
  4. Step 4: Simplify right side
    17,425.86x = 226,088,516.01
  5. Step 5: Solve for x
    x = 226,088,516.01/17,425.86
  6. Step 6: Final answer
    x = 12,974.31

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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.