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Finding the Fourth Proportional to 17,211.58, 25,817.38 and 8,444.46

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Solution

The fourth proportional to 17,211.58, 25,817.38 and 8,444.46 is: 12,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.58 : 25,817.38 = 8,444.46 : x
  2. Step 2: Convert to fraction form
    17,211.58/25,817.38 = 8,444.46/x
  3. Step 3: Cross multiply
    17,211.58x = 25,817.38 × 8,444.46
  4. Step 4: Simplify right side
    17,211.58x = 218,013,832.71
  5. Step 5: Solve for x
    x = 218,013,832.71/17,211.58
  6. Step 6: Final answer
    x = 12,666.69

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Similar ratio
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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.