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Finding the Fourth Proportional to 17,958.63, 26,937.94 and 5,646.63

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Solution

The fourth proportional to 17,958.63, 26,937.94 and 5,646.63 is: 8,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.63 : 26,937.94 = 5,646.63 : x
  2. Step 2: Convert to fraction form
    17,958.63/26,937.94 = 5,646.63/x
  3. Step 3: Cross multiply
    17,958.63x = 26,937.94 × 5,646.63
  4. Step 4: Simplify right side
    17,958.63x = 152,108,431.34
  5. Step 5: Solve for x
    x = 152,108,431.34/17,958.63
  6. Step 6: Final answer
    x = 8,469.94

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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.