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Finding the Fourth Proportional to 29,747.88, 44,605.42 and 12,197.21

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Solution

The fourth proportional to 29,747.88, 44,605.42 and 12,197.21 is: 18,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,747.88 : 44,605.42 = 12,197.21 : x
  2. Step 2: Convert to fraction form
    29,747.88/44,605.42 = 12,197.21/x
  3. Step 3: Cross multiply
    29,747.88x = 44,605.42 × 12,197.21
  4. Step 4: Simplify right side
    29,747.88x = 544,061,421.36
  5. Step 5: Solve for x
    x = 544,061,421.36/29,747.88
  6. Step 6: Final answer
    x = 18,289.08

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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.