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Finding the Fourth Proportional to 17,763.72, 26,620.16 and 13,046.68

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Solution

The fourth proportional to 17,763.72, 26,620.16 and 13,046.68 is: 19,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.72 : 26,620.16 = 13,046.68 : x
  2. Step 2: Convert to fraction form
    17,763.72/26,620.16 = 13,046.68/x
  3. Step 3: Cross multiply
    17,763.72x = 26,620.16 × 13,046.68
  4. Step 4: Simplify right side
    17,763.72x = 347,304,709.07
  5. Step 5: Solve for x
    x = 347,304,709.07/17,763.72
  6. Step 6: Final answer
    x = 19,551.35

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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.