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Finding the Fourth Proportional to 17,159.95, 23,687.94 and 10,447.99

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Solution

The fourth proportional to 17,159.95, 23,687.94 and 10,447.99 is: 14,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.95 : 23,687.94 = 10,447.99 : x
  2. Step 2: Convert to fraction form
    17,159.95/23,687.94 = 10,447.99/x
  3. Step 3: Cross multiply
    17,159.95x = 23,687.94 × 10,447.99
  4. Step 4: Simplify right side
    17,159.95x = 247,491,340.20
  5. Step 5: Solve for x
    x = 247,491,340.20/17,159.95
  6. Step 6: Final answer
    x = 14,422.61

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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.