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Finding the Fourth Proportional to 17,965.80, 26,937.02 and 8,605.58

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Solution

The fourth proportional to 17,965.80, 26,937.02 and 8,605.58 is: 12,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.80 : 26,937.02 = 8,605.58 : x
  2. Step 2: Convert to fraction form
    17,965.80/26,937.02 = 8,605.58/x
  3. Step 3: Cross multiply
    17,965.80x = 26,937.02 × 8,605.58
  4. Step 4: Simplify right side
    17,965.80x = 231,808,567.40
  5. Step 5: Solve for x
    x = 231,808,567.40/17,965.80
  6. Step 6: Final answer
    x = 12,902.77

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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.