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Finding the Fourth Proportional to 17,309.68, 25,948.98 and 6,213.80

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Solution

The fourth proportional to 17,309.68, 25,948.98 and 6,213.80 is: 9,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.68 : 25,948.98 = 6,213.80 : x
  2. Step 2: Convert to fraction form
    17,309.68/25,948.98 = 6,213.80/x
  3. Step 3: Cross multiply
    17,309.68x = 25,948.98 × 6,213.80
  4. Step 4: Simplify right side
    17,309.68x = 161,241,771.92
  5. Step 5: Solve for x
    x = 161,241,771.92/17,309.68
  6. Step 6: Final answer
    x = 9,315.12

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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.