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Finding the Fourth Proportional to 18,597.57, 27,947.43 and 9,838.68

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Solution

The fourth proportional to 18,597.57, 27,947.43 and 9,838.68 is: 14,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.57 : 27,947.43 = 9,838.68 : x
  2. Step 2: Convert to fraction form
    18,597.57/27,947.43 = 9,838.68/x
  3. Step 3: Cross multiply
    18,597.57x = 27,947.43 × 9,838.68
  4. Step 4: Simplify right side
    18,597.57x = 274,965,820.59
  5. Step 5: Solve for x
    x = 274,965,820.59/18,597.57
  6. Step 6: Final answer
    x = 14,785.04

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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.