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Finding the Fourth Proportional to 10,804.50, 16,211.63 and 6,187.50

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Solution

The fourth proportional to 10,804.50, 16,211.63 and 6,187.50 is: 9,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.50 : 16,211.63 = 6,187.50 : x
  2. Step 2: Convert to fraction form
    10,804.50/16,211.63 = 6,187.50/x
  3. Step 3: Cross multiply
    10,804.50x = 16,211.63 × 6,187.50
  4. Step 4: Simplify right side
    10,804.50x = 100,309,460.63
  5. Step 5: Solve for x
    x = 100,309,460.63/10,804.50
  6. Step 6: Final answer
    x = 9,284.04

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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.