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Finding the Fourth Proportional to 17,133.98, 25,680.51 and 8,817.98

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Solution

The fourth proportional to 17,133.98, 25,680.51 and 8,817.98 is: 13,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.98 : 25,680.51 = 8,817.98 : x
  2. Step 2: Convert to fraction form
    17,133.98/25,680.51 = 8,817.98/x
  3. Step 3: Cross multiply
    17,133.98x = 25,680.51 × 8,817.98
  4. Step 4: Simplify right side
    17,133.98x = 226,450,095.17
  5. Step 5: Solve for x
    x = 226,450,095.17/17,133.98
  6. Step 6: Final answer
    x = 13,216.44

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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.