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Finding the Fourth Proportional to 27,995.72, 41,995.11 and 11,353.28

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Solution

The fourth proportional to 27,995.72, 41,995.11 and 11,353.28 is: 17,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.72 : 41,995.11 = 11,353.28 : x
  2. Step 2: Convert to fraction form
    27,995.72/41,995.11 = 11,353.28/x
  3. Step 3: Cross multiply
    27,995.72x = 41,995.11 × 11,353.28
  4. Step 4: Simplify right side
    27,995.72x = 476,782,242.46
  5. Step 5: Solve for x
    x = 476,782,242.46/27,995.72
  6. Step 6: Final answer
    x = 17,030.54

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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.