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Finding the Fourth Proportional to 10,810.75, 16,216.14 and 2,602.75

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Solution

The fourth proportional to 10,810.75, 16,216.14 and 2,602.75 is: 3,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.75 : 16,216.14 = 2,602.75 : x
  2. Step 2: Convert to fraction form
    10,810.75/16,216.14 = 2,602.75/x
  3. Step 3: Cross multiply
    10,810.75x = 16,216.14 × 2,602.75
  4. Step 4: Simplify right side
    10,810.75x = 42,206,558.39
  5. Step 5: Solve for x
    x = 42,206,558.39/10,810.75
  6. Step 6: Final answer
    x = 3,904.13

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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.