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Finding the Fourth Proportional to 17,782.98, 26,516.34 and 17,012.04

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Solution

The fourth proportional to 17,782.98, 26,516.34 and 17,012.04 is: 25,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.98 : 26,516.34 = 17,012.04 : x
  2. Step 2: Convert to fraction form
    17,782.98/26,516.34 = 17,012.04/x
  3. Step 3: Cross multiply
    17,782.98x = 26,516.34 × 17,012.04
  4. Step 4: Simplify right side
    17,782.98x = 451,097,036.73
  5. Step 5: Solve for x
    x = 451,097,036.73/17,782.98
  6. Step 6: Final answer
    x = 25,366.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.