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Finding the Fourth Proportional to 18,798.92, 25,944.18 and 10,733.48

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Solution

The fourth proportional to 18,798.92, 25,944.18 and 10,733.48 is: 14,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.92 : 25,944.18 = 10,733.48 : x
  2. Step 2: Convert to fraction form
    18,798.92/25,944.18 = 10,733.48/x
  3. Step 3: Cross multiply
    18,798.92x = 25,944.18 × 10,733.48
  4. Step 4: Simplify right side
    18,798.92x = 278,471,337.15
  5. Step 5: Solve for x
    x = 278,471,337.15/18,798.92
  6. Step 6: Final answer
    x = 14,813.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.