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Finding the Fourth Proportional to 18,069.63, 27,116.01 and 9,755.43

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Solution

The fourth proportional to 18,069.63, 27,116.01 and 9,755.43 is: 14,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.63 : 27,116.01 = 9,755.43 : x
  2. Step 2: Convert to fraction form
    18,069.63/27,116.01 = 9,755.43/x
  3. Step 3: Cross multiply
    18,069.63x = 27,116.01 × 9,755.43
  4. Step 4: Simplify right side
    18,069.63x = 264,528,337.43
  5. Step 5: Solve for x
    x = 264,528,337.43/18,069.63
  6. Step 6: Final answer
    x = 14,639.39

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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.