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Finding the Fourth Proportional to 54,263.08, 81,416.04 and 16,826.09

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Solution

The fourth proportional to 54,263.08, 81,416.04 and 16,826.09 is: 25,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.08 : 81,416.04 = 16,826.09 : x
  2. Step 2: Convert to fraction form
    54,263.08/81,416.04 = 16,826.09/x
  3. Step 3: Cross multiply
    54,263.08x = 81,416.04 × 16,826.09
  4. Step 4: Simplify right side
    54,263.08x = 1,369,913,616.48
  5. Step 5: Solve for x
    x = 1,369,913,616.48/54,263.08
  6. Step 6: Final answer
    x = 25,245.78

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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.