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Finding the Fourth Proportional to 11,778.10, 17,667.07 and 3,013.00

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Solution

The fourth proportional to 11,778.10, 17,667.07 and 3,013.00 is: 4,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.10 : 17,667.07 = 3,013.00 : x
  2. Step 2: Convert to fraction form
    11,778.10/17,667.07 = 3,013.00/x
  3. Step 3: Cross multiply
    11,778.10x = 17,667.07 × 3,013.00
  4. Step 4: Simplify right side
    11,778.10x = 53,230,830.21
  5. Step 5: Solve for x
    x = 53,230,830.21/11,778.10
  6. Step 6: Final answer
    x = 4,519.48

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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.