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Finding the Fourth Proportional to 17,315.39, 25,954.97 and 9,809.58

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Solution

The fourth proportional to 17,315.39, 25,954.97 and 9,809.58 is: 14,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.39 : 25,954.97 = 9,809.58 : x
  2. Step 2: Convert to fraction form
    17,315.39/25,954.97 = 9,809.58/x
  3. Step 3: Cross multiply
    17,315.39x = 25,954.97 × 9,809.58
  4. Step 4: Simplify right side
    17,315.39x = 254,607,402.90
  5. Step 5: Solve for x
    x = 254,607,402.90/17,315.39
  6. Step 6: Final answer
    x = 14,704.11

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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.