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Finding the Fourth Proportional to 26,176, 39,276.60 and 13,029.52

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Solution

The fourth proportional to 26,176, 39,276.60 and 13,029.52 is: 19,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,176 : 39,276.60 = 13,029.52 : x
  2. Step 2: Convert to fraction form
    26,176/39,276.60 = 13,029.52/x
  3. Step 3: Cross multiply
    26,176x = 39,276.60 × 13,029.52
  4. Step 4: Simplify right side
    26,176x = 511,755,245.23
  5. Step 5: Solve for x
    x = 511,755,245.23/26,176
  6. Step 6: Final answer
    x = 19,550.55

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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.