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Finding the Fourth Proportional to 18,188.52, 27,283.94 and 5,709.04

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Solution

The fourth proportional to 18,188.52, 27,283.94 and 5,709.04 is: 8,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.52 : 27,283.94 = 5,709.04 : x
  2. Step 2: Convert to fraction form
    18,188.52/27,283.94 = 5,709.04/x
  3. Step 3: Cross multiply
    18,188.52x = 27,283.94 × 5,709.04
  4. Step 4: Simplify right side
    18,188.52x = 155,765,104.82
  5. Step 5: Solve for x
    x = 155,765,104.82/18,188.52
  6. Step 6: Final answer
    x = 8,563.92

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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.