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Finding the Fourth Proportional to 17,020.83, 25,555.16 and 8,706.81

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Solution

The fourth proportional to 17,020.83, 25,555.16 and 8,706.81 is: 13,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.83 : 25,555.16 = 8,706.81 : x
  2. Step 2: Convert to fraction form
    17,020.83/25,555.16 = 8,706.81/x
  3. Step 3: Cross multiply
    17,020.83x = 25,555.16 × 8,706.81
  4. Step 4: Simplify right side
    17,020.83x = 222,503,922.64
  5. Step 5: Solve for x
    x = 222,503,922.64/17,020.83
  6. Step 6: Final answer
    x = 13,072.45

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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.