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Finding the Fourth Proportional to 18,362.24, 27,546.08 and 6,678.08

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Solution

The fourth proportional to 18,362.24, 27,546.08 and 6,678.08 is: 10,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.24 : 27,546.08 = 6,678.08 : x
  2. Step 2: Convert to fraction form
    18,362.24/27,546.08 = 6,678.08/x
  3. Step 3: Cross multiply
    18,362.24x = 27,546.08 × 6,678.08
  4. Step 4: Simplify right side
    18,362.24x = 183,954,925.93
  5. Step 5: Solve for x
    x = 183,954,925.93/18,362.24
  6. Step 6: Final answer
    x = 10,018.11

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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.