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Finding the Fourth Proportional to 12,046.94, 18,062.81 and 5,808.52

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Solution

The fourth proportional to 12,046.94, 18,062.81 and 5,808.52 is: 8,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.94 : 18,062.81 = 5,808.52 : x
  2. Step 2: Convert to fraction form
    12,046.94/18,062.81 = 5,808.52/x
  3. Step 3: Cross multiply
    12,046.94x = 18,062.81 × 5,808.52
  4. Step 4: Simplify right side
    12,046.94x = 104,918,193.14
  5. Step 5: Solve for x
    x = 104,918,193.14/12,046.94
  6. Step 6: Final answer
    x = 8,709.12

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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.