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Finding the Fourth Proportional to 29,408.34, 44,111.78 and 7,221.54

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Solution

The fourth proportional to 29,408.34, 44,111.78 and 7,221.54 is: 10,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.34 : 44,111.78 = 7,221.54 : x
  2. Step 2: Convert to fraction form
    29,408.34/44,111.78 = 7,221.54/x
  3. Step 3: Cross multiply
    29,408.34x = 44,111.78 × 7,221.54
  4. Step 4: Simplify right side
    29,408.34x = 318,554,983.74
  5. Step 5: Solve for x
    x = 318,554,983.74/29,408.34
  6. Step 6: Final answer
    x = 10,832.13

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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.