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Finding the Fourth Proportional to 65,676.33, 90,633.92 and 37,383.84

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Solution

The fourth proportional to 65,676.33, 90,633.92 and 37,383.84 is: 51,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,676.33 : 90,633.92 = 37,383.84 : x
  2. Step 2: Convert to fraction form
    65,676.33/90,633.92 = 37,383.84/x
  3. Step 3: Cross multiply
    65,676.33x = 90,633.92 × 37,383.84
  4. Step 4: Simplify right side
    65,676.33x = 3,388,243,776.93
  5. Step 5: Solve for x
    x = 3,388,243,776.93/65,676.33
  6. Step 6: Final answer
    x = 51,590.03

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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.