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Finding the Fourth Proportional to 29,486.60, 44,248.13 and 11,956.58

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Solution

The fourth proportional to 29,486.60, 44,248.13 and 11,956.58 is: 17,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.60 : 44,248.13 = 11,956.58 : x
  2. Step 2: Convert to fraction form
    29,486.60/44,248.13 = 11,956.58/x
  3. Step 3: Cross multiply
    29,486.60x = 44,248.13 × 11,956.58
  4. Step 4: Simplify right side
    29,486.60x = 529,056,246.41
  5. Step 5: Solve for x
    x = 529,056,246.41/29,486.60
  6. Step 6: Final answer
    x = 17,942.26

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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.