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Finding the Fourth Proportional to 29,381.92, 44,035.44 and 13,765.12

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Solution

The fourth proportional to 29,381.92, 44,035.44 and 13,765.12 is: 20,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.92 : 44,035.44 = 13,765.12 : x
  2. Step 2: Convert to fraction form
    29,381.92/44,035.44 = 13,765.12/x
  3. Step 3: Cross multiply
    29,381.92x = 44,035.44 × 13,765.12
  4. Step 4: Simplify right side
    29,381.92x = 606,153,115.85
  5. Step 5: Solve for x
    x = 606,153,115.85/29,381.92
  6. Step 6: Final answer
    x = 20,630.14

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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.