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Finding the Fourth Proportional to 17,895.60, 26,835.30 and 8,029.80

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Solution

The fourth proportional to 17,895.60, 26,835.30 and 8,029.80 is: 12,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.60 : 26,835.30 = 8,029.80 : x
  2. Step 2: Convert to fraction form
    17,895.60/26,835.30 = 8,029.80/x
  3. Step 3: Cross multiply
    17,895.60x = 26,835.30 × 8,029.80
  4. Step 4: Simplify right side
    17,895.60x = 215,482,091.94
  5. Step 5: Solve for x
    x = 215,482,091.94/17,895.60
  6. Step 6: Final answer
    x = 12,041.07

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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.