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Finding the Fourth Proportional to 17,477.56, 26,216.40 and 5,165.56

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Solution

The fourth proportional to 17,477.56, 26,216.40 and 5,165.56 is: 7,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.56 : 26,216.40 = 5,165.56 : x
  2. Step 2: Convert to fraction form
    17,477.56/26,216.40 = 5,165.56/x
  3. Step 3: Cross multiply
    17,477.56x = 26,216.40 × 5,165.56
  4. Step 4: Simplify right side
    17,477.56x = 135,422,387.18
  5. Step 5: Solve for x
    x = 135,422,387.18/17,477.56
  6. Step 6: Final answer
    x = 7,748.36

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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.