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Finding the Fourth Proportional to 17,676.51, 26,483.61 and 9,338.16

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Solution

The fourth proportional to 17,676.51, 26,483.61 and 9,338.16 is: 13,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.51 : 26,483.61 = 9,338.16 : x
  2. Step 2: Convert to fraction form
    17,676.51/26,483.61 = 9,338.16/x
  3. Step 3: Cross multiply
    17,676.51x = 26,483.61 × 9,338.16
  4. Step 4: Simplify right side
    17,676.51x = 247,308,187.56
  5. Step 5: Solve for x
    x = 247,308,187.56/17,676.51
  6. Step 6: Final answer
    x = 13,990.78

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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.