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Finding the Fourth Proportional to 29,530.35, 44,291.39 and 8,472.20

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Solution

The fourth proportional to 29,530.35, 44,291.39 and 8,472.20 is: 12,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.35 : 44,291.39 = 8,472.20 : x
  2. Step 2: Convert to fraction form
    29,530.35/44,291.39 = 8,472.20/x
  3. Step 3: Cross multiply
    29,530.35x = 44,291.39 × 8,472.20
  4. Step 4: Simplify right side
    29,530.35x = 375,245,250.54
  5. Step 5: Solve for x
    x = 375,245,250.54/29,530.35
  6. Step 6: Final answer
    x = 12,707.10

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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.