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Finding the Fourth Proportional to 17,751.48, 26,600.90 and 7,208.68

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Solution

The fourth proportional to 17,751.48, 26,600.90 and 7,208.68 is: 10,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.48 : 26,600.90 = 7,208.68 : x
  2. Step 2: Convert to fraction form
    17,751.48/26,600.90 = 7,208.68/x
  3. Step 3: Cross multiply
    17,751.48x = 26,600.90 × 7,208.68
  4. Step 4: Simplify right side
    17,751.48x = 191,757,375.81
  5. Step 5: Solve for x
    x = 191,757,375.81/17,751.48
  6. Step 6: Final answer
    x = 10,802.33

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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.