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Finding the Fourth Proportional to 17,616.74, 26,421.54 and 8,254.25

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Solution

The fourth proportional to 17,616.74, 26,421.54 and 8,254.25 is: 12,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.74 : 26,421.54 = 8,254.25 : x
  2. Step 2: Convert to fraction form
    17,616.74/26,421.54 = 8,254.25/x
  3. Step 3: Cross multiply
    17,616.74x = 26,421.54 × 8,254.25
  4. Step 4: Simplify right side
    17,616.74x = 218,090,127.62
  5. Step 5: Solve for x
    x = 218,090,127.62/17,616.74
  6. Step 6: Final answer
    x = 12,379.71

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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.