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Finding the Fourth Proportional to 18,446.40, 27,675.09 and 5,966.10

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Solution

The fourth proportional to 18,446.40, 27,675.09 and 5,966.10 is: 8,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.40 : 27,675.09 = 5,966.10 : x
  2. Step 2: Convert to fraction form
    18,446.40/27,675.09 = 5,966.10/x
  3. Step 3: Cross multiply
    18,446.40x = 27,675.09 × 5,966.10
  4. Step 4: Simplify right side
    18,446.40x = 165,112,354.45
  5. Step 5: Solve for x
    x = 165,112,354.45/18,446.40
  6. Step 6: Final answer
    x = 8,950.93

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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.