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Finding the Fourth Proportional to 27,655.54, 41,489.45 and 7,932.58

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Solution

The fourth proportional to 27,655.54, 41,489.45 and 7,932.58 is: 11,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655.54 : 41,489.45 = 7,932.58 : x
  2. Step 2: Convert to fraction form
    27,655.54/41,489.45 = 7,932.58/x
  3. Step 3: Cross multiply
    27,655.54x = 41,489.45 × 7,932.58
  4. Step 4: Simplify right side
    27,655.54x = 329,118,381.28
  5. Step 5: Solve for x
    x = 329,118,381.28/27,655.54
  6. Step 6: Final answer
    x = 11,900.63

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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.