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Finding the Fourth Proportional to 5,009.99, 6,913.18 and 2,771.56

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Solution

The fourth proportional to 5,009.99, 6,913.18 and 2,771.56 is: 3,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.99 : 6,913.18 = 2,771.56 : x
  2. Step 2: Convert to fraction form
    5,009.99/6,913.18 = 2,771.56/x
  3. Step 3: Cross multiply
    5,009.99x = 6,913.18 × 2,771.56
  4. Step 4: Simplify right side
    5,009.99x = 19,160,258.59
  5. Step 5: Solve for x
    x = 19,160,258.59/5,009.99
  6. Step 6: Final answer
    x = 3,824.41

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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.