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Finding the Fourth Proportional to 18,362.16, 27,500.53 and 17,857.08

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Solution

The fourth proportional to 18,362.16, 27,500.53 and 17,857.08 is: 26,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.16 : 27,500.53 = 17,857.08 : x
  2. Step 2: Convert to fraction form
    18,362.16/27,500.53 = 17,857.08/x
  3. Step 3: Cross multiply
    18,362.16x = 27,500.53 × 17,857.08
  4. Step 4: Simplify right side
    18,362.16x = 491,079,188.36
  5. Step 5: Solve for x
    x = 491,079,188.36/18,362.16
  6. Step 6: Final answer
    x = 26,744.08

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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.