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Finding the Fourth Proportional to 10,750.63, 16,121.80 and 4,175.95

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Solution

The fourth proportional to 10,750.63, 16,121.80 and 4,175.95 is: 6,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.63 : 16,121.80 = 4,175.95 : x
  2. Step 2: Convert to fraction form
    10,750.63/16,121.80 = 4,175.95/x
  3. Step 3: Cross multiply
    10,750.63x = 16,121.80 × 4,175.95
  4. Step 4: Simplify right side
    10,750.63x = 67,323,729.22
  5. Step 5: Solve for x
    x = 67,323,729.22/10,750.63
  6. Step 6: Final answer
    x = 6,262.31

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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.