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Finding the Fourth Proportional to 17,876.69, 26,797.60 and 8,514.19

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Solution

The fourth proportional to 17,876.69, 26,797.60 and 8,514.19 is: 12,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.69 : 26,797.60 = 8,514.19 : x
  2. Step 2: Convert to fraction form
    17,876.69/26,797.60 = 8,514.19/x
  3. Step 3: Cross multiply
    17,876.69x = 26,797.60 × 8,514.19
  4. Step 4: Simplify right side
    17,876.69x = 228,159,902.08
  5. Step 5: Solve for x
    x = 228,159,902.08/17,876.69
  6. Step 6: Final answer
    x = 12,762.98

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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.