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Finding the Fourth Proportional to 11,673.15, 17,512.02 and 3,777.63

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Solution

The fourth proportional to 11,673.15, 17,512.02 and 3,777.63 is: 5,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.15 : 17,512.02 = 3,777.63 : x
  2. Step 2: Convert to fraction form
    11,673.15/17,512.02 = 3,777.63/x
  3. Step 3: Cross multiply
    11,673.15x = 17,512.02 × 3,777.63
  4. Step 4: Simplify right side
    11,673.15x = 66,153,932.11
  5. Step 5: Solve for x
    x = 66,153,932.11/11,673.15
  6. Step 6: Final answer
    x = 5,667.19

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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.