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Finding the Fourth Proportional to 27,992.88, 41,989.95 and 10,453.14

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Solution

The fourth proportional to 27,992.88, 41,989.95 and 10,453.14 is: 15,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.88 : 41,989.95 = 10,453.14 : x
  2. Step 2: Convert to fraction form
    27,992.88/41,989.95 = 10,453.14/x
  3. Step 3: Cross multiply
    27,992.88x = 41,989.95 × 10,453.14
  4. Step 4: Simplify right side
    27,992.88x = 438,926,825.94
  5. Step 5: Solve for x
    x = 438,926,825.94/27,992.88
  6. Step 6: Final answer
    x = 15,679.95

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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.