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Finding the Fourth Proportional to 11,362.73, 15,676.21 and 7,053.80

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Solution

The fourth proportional to 11,362.73, 15,676.21 and 7,053.80 is: 9,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.73 : 15,676.21 = 7,053.80 : x
  2. Step 2: Convert to fraction form
    11,362.73/15,676.21 = 7,053.80/x
  3. Step 3: Cross multiply
    11,362.73x = 15,676.21 × 7,053.80
  4. Step 4: Simplify right side
    11,362.73x = 110,576,850.10
  5. Step 5: Solve for x
    x = 110,576,850.10/11,362.73
  6. Step 6: Final answer
    x = 9,731.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.