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Finding the Fourth Proportional to 54,602.30, 81,907.17 and 18,564.08

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Solution

The fourth proportional to 54,602.30, 81,907.17 and 18,564.08 is: 27,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.30 : 81,907.17 = 18,564.08 : x
  2. Step 2: Convert to fraction form
    54,602.30/81,907.17 = 18,564.08/x
  3. Step 3: Cross multiply
    54,602.30x = 81,907.17 × 18,564.08
  4. Step 4: Simplify right side
    54,602.30x = 1,520,530,846.92
  5. Step 5: Solve for x
    x = 1,520,530,846.92/54,602.30
  6. Step 6: Final answer
    x = 27,847.38

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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.