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Finding the Fourth Proportional to 18,365.09, 27,550.08 and 7,269.18

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Solution

The fourth proportional to 18,365.09, 27,550.08 and 7,269.18 is: 10,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.09 : 27,550.08 = 7,269.18 : x
  2. Step 2: Convert to fraction form
    18,365.09/27,550.08 = 7,269.18/x
  3. Step 3: Cross multiply
    18,365.09x = 27,550.08 × 7,269.18
  4. Step 4: Simplify right side
    18,365.09x = 200,266,490.53
  5. Step 5: Solve for x
    x = 200,266,490.53/18,365.09
  6. Step 6: Final answer
    x = 10,904.74

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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.