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Finding the Fourth Proportional to 8,434.79, 12,652.23 and 3,504.44

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Solution

The fourth proportional to 8,434.79, 12,652.23 and 3,504.44 is: 5,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.79 : 12,652.23 = 3,504.44 : x
  2. Step 2: Convert to fraction form
    8,434.79/12,652.23 = 3,504.44/x
  3. Step 3: Cross multiply
    8,434.79x = 12,652.23 × 3,504.44
  4. Step 4: Simplify right side
    8,434.79x = 44,338,917.64
  5. Step 5: Solve for x
    x = 44,338,917.64/8,434.79
  6. Step 6: Final answer
    x = 5,256.67

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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.