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Finding the Fourth Proportional to 66,502.28, 99,790.14 and 27,087.14

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Solution

The fourth proportional to 66,502.28, 99,790.14 and 27,087.14 is: 40,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502.28 : 99,790.14 = 27,087.14 : x
  2. Step 2: Convert to fraction form
    66,502.28/99,790.14 = 27,087.14/x
  3. Step 3: Cross multiply
    66,502.28x = 99,790.14 × 27,087.14
  4. Step 4: Simplify right side
    66,502.28x = 2,703,029,492.80
  5. Step 5: Solve for x
    x = 2,703,029,492.80/66,502.28
  6. Step 6: Final answer
    x = 40,645.67

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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.