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Finding the Fourth Proportional to 54,361.94, 81,530.28 and 14,922.23

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Solution

The fourth proportional to 54,361.94, 81,530.28 and 14,922.23 is: 22,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.94 : 81,530.28 = 14,922.23 : x
  2. Step 2: Convert to fraction form
    54,361.94/81,530.28 = 14,922.23/x
  3. Step 3: Cross multiply
    54,361.94x = 81,530.28 × 14,922.23
  4. Step 4: Simplify right side
    54,361.94x = 1,216,613,182.47
  5. Step 5: Solve for x
    x = 1,216,613,182.47/54,361.94
  6. Step 6: Final answer
    x = 22,379.87

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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.