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Finding the Fourth Proportional to 5,009.87, 6,913.08 and 2,771.39

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Solution

The fourth proportional to 5,009.87, 6,913.08 and 2,771.39 is: 3,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.87 : 6,913.08 = 2,771.39 : x
  2. Step 2: Convert to fraction form
    5,009.87/6,913.08 = 2,771.39/x
  3. Step 3: Cross multiply
    5,009.87x = 6,913.08 × 2,771.39
  4. Step 4: Simplify right side
    5,009.87x = 19,158,858.06
  5. Step 5: Solve for x
    x = 19,158,858.06/5,009.87
  6. Step 6: Final answer
    x = 3,824.22

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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.