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Finding the Fourth Proportional to 5,009.77, 6,911.17 and 3,241.95

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Solution

The fourth proportional to 5,009.77, 6,911.17 and 3,241.95 is: 4,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.77 : 6,911.17 = 3,241.95 : x
  2. Step 2: Convert to fraction form
    5,009.77/6,911.17 = 3,241.95/x
  3. Step 3: Cross multiply
    5,009.77x = 6,911.17 × 3,241.95
  4. Step 4: Simplify right side
    5,009.77x = 22,405,667.58
  5. Step 5: Solve for x
    x = 22,405,667.58/5,009.77
  6. Step 6: Final answer
    x = 4,472.39

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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.