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Finding the Fourth Proportional to 12,338.25, 17,026.92 and 6,749.25

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Solution

The fourth proportional to 12,338.25, 17,026.92 and 6,749.25 is: 9,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.25 : 17,026.92 = 6,749.25 : x
  2. Step 2: Convert to fraction form
    12,338.25/17,026.92 = 6,749.25/x
  3. Step 3: Cross multiply
    12,338.25x = 17,026.92 × 6,749.25
  4. Step 4: Simplify right side
    12,338.25x = 114,918,939.81
  5. Step 5: Solve for x
    x = 114,918,939.81/12,338.25
  6. Step 6: Final answer
    x = 9,314.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.