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Finding the Fourth Proportional to 29,313.78, 43,977.96 and 8,537.28

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Solution

The fourth proportional to 29,313.78, 43,977.96 and 8,537.28 is: 12,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.78 : 43,977.96 = 8,537.28 : x
  2. Step 2: Convert to fraction form
    29,313.78/43,977.96 = 8,537.28/x
  3. Step 3: Cross multiply
    29,313.78x = 43,977.96 × 8,537.28
  4. Step 4: Simplify right side
    29,313.78x = 375,452,158.35
  5. Step 5: Solve for x
    x = 375,452,158.35/29,313.78
  6. Step 6: Final answer
    x = 12,808.04

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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.