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Finding the Fourth Proportional to 16,705.06, 25,045.70 and 8,379.08

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Solution

The fourth proportional to 16,705.06, 25,045.70 and 8,379.08 is: 12,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.06 : 25,045.70 = 8,379.08 : x
  2. Step 2: Convert to fraction form
    16,705.06/25,045.70 = 8,379.08/x
  3. Step 3: Cross multiply
    16,705.06x = 25,045.70 × 8,379.08
  4. Step 4: Simplify right side
    16,705.06x = 209,859,923.96
  5. Step 5: Solve for x
    x = 209,859,923.96/16,705.06
  6. Step 6: Final answer
    x = 12,562.66

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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.