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Finding the Fourth Proportional to 5,778.51, 8,667.78 and 3,003.76

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Solution

The fourth proportional to 5,778.51, 8,667.78 and 3,003.76 is: 4,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.51 : 8,667.78 = 3,003.76 : x
  2. Step 2: Convert to fraction form
    5,778.51/8,667.78 = 3,003.76/x
  3. Step 3: Cross multiply
    5,778.51x = 8,667.78 × 3,003.76
  4. Step 4: Simplify right side
    5,778.51x = 26,035,930.85
  5. Step 5: Solve for x
    x = 26,035,930.85/5,778.51
  6. Step 6: Final answer
    x = 4,505.65

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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.