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Finding the Fourth Proportional to 8,717.58, 13,075.25 and 2,793.98

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Solution

The fourth proportional to 8,717.58, 13,075.25 and 2,793.98 is: 4,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.58 : 13,075.25 = 2,793.98 : x
  2. Step 2: Convert to fraction form
    8,717.58/13,075.25 = 2,793.98/x
  3. Step 3: Cross multiply
    8,717.58x = 13,075.25 × 2,793.98
  4. Step 4: Simplify right side
    8,717.58x = 36,532,005.71
  5. Step 5: Solve for x
    x = 36,532,005.71/8,717.58
  6. Step 6: Final answer
    x = 4,190.61

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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.