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Finding the Fourth Proportional to 18,356.27, 27,526.75 and 7,823.57

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Solution

The fourth proportional to 18,356.27, 27,526.75 and 7,823.57 is: 11,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.27 : 27,526.75 = 7,823.57 : x
  2. Step 2: Convert to fraction form
    18,356.27/27,526.75 = 7,823.57/x
  3. Step 3: Cross multiply
    18,356.27x = 27,526.75 × 7,823.57
  4. Step 4: Simplify right side
    18,356.27x = 215,357,298.30
  5. Step 5: Solve for x
    x = 215,357,298.30/18,356.27
  6. Step 6: Final answer
    x = 11,732.09

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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.