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Finding the Fourth Proportional to 16,754.40, 23,118.84 and 10,382.40

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Solution

The fourth proportional to 16,754.40, 23,118.84 and 10,382.40 is: 14,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.40 : 23,118.84 = 10,382.40 : x
  2. Step 2: Convert to fraction form
    16,754.40/23,118.84 = 10,382.40/x
  3. Step 3: Cross multiply
    16,754.40x = 23,118.84 × 10,382.40
  4. Step 4: Simplify right side
    16,754.40x = 240,029,044.42
  5. Step 5: Solve for x
    x = 240,029,044.42/16,754.40
  6. Step 6: Final answer
    x = 14,326.33

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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.