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Finding the Fourth Proportional to 18,597.60, 27,896.40 and 17,285.40

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Solution

The fourth proportional to 18,597.60, 27,896.40 and 17,285.40 is: 25,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.60 : 27,896.40 = 17,285.40 : x
  2. Step 2: Convert to fraction form
    18,597.60/27,896.40 = 17,285.40/x
  3. Step 3: Cross multiply
    18,597.60x = 27,896.40 × 17,285.40
  4. Step 4: Simplify right side
    18,597.60x = 482,200,432.56
  5. Step 5: Solve for x
    x = 482,200,432.56/18,597.60
  6. Step 6: Final answer
    x = 25,928.10

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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.