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Finding the Fourth Proportional to 29,910.42, 44,865.81 and 9,133.92

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Solution

The fourth proportional to 29,910.42, 44,865.81 and 9,133.92 is: 13,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,910.42 : 44,865.81 = 9,133.92 : x
  2. Step 2: Convert to fraction form
    29,910.42/44,865.81 = 9,133.92/x
  3. Step 3: Cross multiply
    29,910.42x = 44,865.81 × 9,133.92
  4. Step 4: Simplify right side
    29,910.42x = 409,800,719.28
  5. Step 5: Solve for x
    x = 409,800,719.28/29,910.42
  6. Step 6: Final answer
    x = 13,700.93

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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.