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Finding the Fourth Proportional to 27,462.54, 37,913.01 and 21,481.50

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Solution

The fourth proportional to 27,462.54, 37,913.01 and 21,481.50 is: 29,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,462.54 : 37,913.01 = 21,481.50 : x
  2. Step 2: Convert to fraction form
    27,462.54/37,913.01 = 21,481.50/x
  3. Step 3: Cross multiply
    27,462.54x = 37,913.01 × 21,481.50
  4. Step 4: Simplify right side
    27,462.54x = 814,428,324.32
  5. Step 5: Solve for x
    x = 814,428,324.32/27,462.54
  6. Step 6: Final answer
    x = 29,655.97

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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.