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Finding the Fourth Proportional to 63,551.76, 87,711.92 and 35,266.56

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Solution

The fourth proportional to 63,551.76, 87,711.92 and 35,266.56 is: 48,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,551.76 : 87,711.92 = 35,266.56 : x
  2. Step 2: Convert to fraction form
    63,551.76/87,711.92 = 35,266.56/x
  3. Step 3: Cross multiply
    63,551.76x = 87,711.92 × 35,266.56
  4. Step 4: Simplify right side
    63,551.76x = 3,093,297,689.40
  5. Step 5: Solve for x
    x = 3,093,297,689.40/63,551.76
  6. Step 6: Final answer
    x = 48,673.67

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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.