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Finding the Fourth Proportional to 16,687.29, 25,034.58 and 6,827.57

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Solution

The fourth proportional to 16,687.29, 25,034.58 and 6,827.57 is: 10,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.29 : 25,034.58 = 6,827.57 : x
  2. Step 2: Convert to fraction form
    16,687.29/25,034.58 = 6,827.57/x
  3. Step 3: Cross multiply
    16,687.29x = 25,034.58 × 6,827.57
  4. Step 4: Simplify right side
    16,687.29x = 170,925,222.20
  5. Step 5: Solve for x
    x = 170,925,222.20/16,687.29
  6. Step 6: Final answer
    x = 10,242.84

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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.