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Finding the Fourth Proportional to 18,586.00, 27,884.48 and 7,486.98

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Solution

The fourth proportional to 18,586.00, 27,884.48 and 7,486.98 is: 11,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.00 : 27,884.48 = 7,486.98 : x
  2. Step 2: Convert to fraction form
    18,586.00/27,884.48 = 7,486.98/x
  3. Step 3: Cross multiply
    18,586.00x = 27,884.48 × 7,486.98
  4. Step 4: Simplify right side
    18,586.00x = 208,770,402.07
  5. Step 5: Solve for x
    x = 208,770,402.07/18,586.00
  6. Step 6: Final answer
    x = 11,232.67

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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.