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Finding the Fourth Proportional to 18,362.48, 27,530.04 and 7,260.08

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Solution

The fourth proportional to 18,362.48, 27,530.04 and 7,260.08 is: 10,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.48 : 27,530.04 = 7,260.08 : x
  2. Step 2: Convert to fraction form
    18,362.48/27,530.04 = 7,260.08/x
  3. Step 3: Cross multiply
    18,362.48x = 27,530.04 × 7,260.08
  4. Step 4: Simplify right side
    18,362.48x = 199,870,292.80
  5. Step 5: Solve for x
    x = 199,870,292.80/18,362.48
  6. Step 6: Final answer
    x = 10,884.71

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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.