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Finding the Fourth Proportional to 12,273.93, 18,410.90 and 7,588.28

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Solution

The fourth proportional to 12,273.93, 18,410.90 and 7,588.28 is: 11,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.93 : 18,410.90 = 7,588.28 : x
  2. Step 2: Convert to fraction form
    12,273.93/18,410.90 = 7,588.28/x
  3. Step 3: Cross multiply
    12,273.93x = 18,410.90 × 7,588.28
  4. Step 4: Simplify right side
    12,273.93x = 139,707,072.34
  5. Step 5: Solve for x
    x = 139,707,072.34/12,273.93
  6. Step 6: Final answer
    x = 11,382.42

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Similar ratio
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1.5x scale

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.