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Finding the Fourth Proportional to 29,188.88, 43,848.12 and 18,103.76

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Solution

The fourth proportional to 29,188.88, 43,848.12 and 18,103.76 is: 27,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.88 : 43,848.12 = 18,103.76 : x
  2. Step 2: Convert to fraction form
    29,188.88/43,848.12 = 18,103.76/x
  3. Step 3: Cross multiply
    29,188.88x = 43,848.12 × 18,103.76
  4. Step 4: Simplify right side
    29,188.88x = 793,815,840.93
  5. Step 5: Solve for x
    x = 793,815,840.93/29,188.88
  6. Step 6: Final answer
    x = 27,195.83

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1.5x scale

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.