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Finding the Fourth Proportional to 18,606.83, 25,671.08 and 11,530.67

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Solution

The fourth proportional to 18,606.83, 25,671.08 and 11,530.67 is: 15,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.83 : 25,671.08 = 11,530.67 : x
  2. Step 2: Convert to fraction form
    18,606.83/25,671.08 = 11,530.67/x
  3. Step 3: Cross multiply
    18,606.83x = 25,671.08 × 11,530.67
  4. Step 4: Simplify right side
    18,606.83x = 296,004,694.37
  5. Step 5: Solve for x
    x = 296,004,694.37/18,606.83
  6. Step 6: Final answer
    x = 15,908.39

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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.