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Finding the Fourth Proportional to 17,777.56, 26,666.06 and 4,629.64

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Solution

The fourth proportional to 17,777.56, 26,666.06 and 4,629.64 is: 6,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.56 : 26,666.06 = 4,629.64 : x
  2. Step 2: Convert to fraction form
    17,777.56/26,666.06 = 4,629.64/x
  3. Step 3: Cross multiply
    17,777.56x = 26,666.06 × 4,629.64
  4. Step 4: Simplify right side
    17,777.56x = 123,454,258.02
  5. Step 5: Solve for x
    x = 123,454,258.02/17,777.56
  6. Step 6: Final answer
    x = 6,944.39

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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.