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Finding the Fourth Proportional to 54,652.40, 81,977.52 and 17,716.40

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Solution

The fourth proportional to 54,652.40, 81,977.52 and 17,716.40 is: 26,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.40 : 81,977.52 = 17,716.40 : x
  2. Step 2: Convert to fraction form
    54,652.40/81,977.52 = 17,716.40/x
  3. Step 3: Cross multiply
    54,652.40x = 81,977.52 × 17,716.40
  4. Step 4: Simplify right side
    54,652.40x = 1,452,346,535.33
  5. Step 5: Solve for x
    x = 1,452,346,535.33/54,652.40
  6. Step 6: Final answer
    x = 26,574.25

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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.