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Finding the Fourth Proportional to 18,598.70, 27,884.67 and 8,732.49

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Solution

The fourth proportional to 18,598.70, 27,884.67 and 8,732.49 is: 13,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.70 : 27,884.67 = 8,732.49 : x
  2. Step 2: Convert to fraction form
    18,598.70/27,884.67 = 8,732.49/x
  3. Step 3: Cross multiply
    18,598.70x = 27,884.67 × 8,732.49
  4. Step 4: Simplify right side
    18,598.70x = 243,502,601.93
  5. Step 5: Solve for x
    x = 243,502,601.93/18,598.70
  6. Step 6: Final answer
    x = 13,092.46

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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.