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Finding the Fourth Proportional to 16,672.41, 23,008.50 and 9,119.43

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Solution

The fourth proportional to 16,672.41, 23,008.50 and 9,119.43 is: 12,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.41 : 23,008.50 = 9,119.43 : x
  2. Step 2: Convert to fraction form
    16,672.41/23,008.50 = 9,119.43/x
  3. Step 3: Cross multiply
    16,672.41x = 23,008.50 × 9,119.43
  4. Step 4: Simplify right side
    16,672.41x = 209,824,405.16
  5. Step 5: Solve for x
    x = 209,824,405.16/16,672.41
  6. Step 6: Final answer
    x = 12,585.13

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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.