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Finding the Fourth Proportional to 54,259.58, 81,410.79 and 16,822.59

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Solution

The fourth proportional to 54,259.58, 81,410.79 and 16,822.59 is: 25,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.58 : 81,410.79 = 16,822.59 : x
  2. Step 2: Convert to fraction form
    54,259.58/81,410.79 = 16,822.59/x
  3. Step 3: Cross multiply
    54,259.58x = 81,410.79 × 16,822.59
  4. Step 4: Simplify right side
    54,259.58x = 1,369,540,341.75
  5. Step 5: Solve for x
    x = 1,369,540,341.75/54,259.58
  6. Step 6: Final answer
    x = 25,240.53

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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.