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Finding the Fourth Proportional to 17,977.76, 26,955.37 and 5,493.64

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Solution

The fourth proportional to 17,977.76, 26,955.37 and 5,493.64 is: 8,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.76 : 26,955.37 = 5,493.64 : x
  2. Step 2: Convert to fraction form
    17,977.76/26,955.37 = 5,493.64/x
  3. Step 3: Cross multiply
    17,977.76x = 26,955.37 × 5,493.64
  4. Step 4: Simplify right side
    17,977.76x = 148,082,936.60
  5. Step 5: Solve for x
    x = 148,082,936.60/17,977.76
  6. Step 6: Final answer
    x = 8,237.01

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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.