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Finding the Fourth Proportional to 11,343.33, 17,004.06 and 7,172.99

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Solution

The fourth proportional to 11,343.33, 17,004.06 and 7,172.99 is: 10,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.33 : 17,004.06 = 7,172.99 : x
  2. Step 2: Convert to fraction form
    11,343.33/17,004.06 = 7,172.99/x
  3. Step 3: Cross multiply
    11,343.33x = 17,004.06 × 7,172.99
  4. Step 4: Simplify right side
    11,343.33x = 121,969,952.34
  5. Step 5: Solve for x
    x = 121,969,952.34/11,343.33
  6. Step 6: Final answer
    x = 10,752.57

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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.