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Finding the Fourth Proportional to 29,771.03, 44,663.08 and 8,712.85

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Solution

The fourth proportional to 29,771.03, 44,663.08 and 8,712.85 is: 13,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,771.03 : 44,663.08 = 8,712.85 : x
  2. Step 2: Convert to fraction form
    29,771.03/44,663.08 = 8,712.85/x
  3. Step 3: Cross multiply
    29,771.03x = 44,663.08 × 8,712.85
  4. Step 4: Simplify right side
    29,771.03x = 389,142,716.58
  5. Step 5: Solve for x
    x = 389,142,716.58/29,771.03
  6. Step 6: Final answer
    x = 13,071.19

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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.