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Finding the Fourth Proportional to 16,895.10, 25,348.05 and 5,808.90

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Solution

The fourth proportional to 16,895.10, 25,348.05 and 5,808.90 is: 8,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.10 : 25,348.05 = 5,808.90 : x
  2. Step 2: Convert to fraction form
    16,895.10/25,348.05 = 5,808.90/x
  3. Step 3: Cross multiply
    16,895.10x = 25,348.05 × 5,808.90
  4. Step 4: Simplify right side
    16,895.10x = 147,244,287.65
  5. Step 5: Solve for x
    x = 147,244,287.65/16,895.10
  6. Step 6: Final answer
    x = 8,715.21

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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.