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Finding the Fourth Proportional to 17,625.98, 26,405.14 and 10,942.64

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Solution

The fourth proportional to 17,625.98, 26,405.14 and 10,942.64 is: 16,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.98 : 26,405.14 = 10,942.64 : x
  2. Step 2: Convert to fraction form
    17,625.98/26,405.14 = 10,942.64/x
  3. Step 3: Cross multiply
    17,625.98x = 26,405.14 × 10,942.64
  4. Step 4: Simplify right side
    17,625.98x = 288,941,941.17
  5. Step 5: Solve for x
    x = 288,941,941.17/17,625.98
  6. Step 6: Final answer
    x = 16,392.96

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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.