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Finding the Fourth Proportional to 29,415.72, 44,110.80 and 10,689.54

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Solution

The fourth proportional to 29,415.72, 44,110.80 and 10,689.54 is: 16,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.72 : 44,110.80 = 10,689.54 : x
  2. Step 2: Convert to fraction form
    29,415.72/44,110.80 = 10,689.54/x
  3. Step 3: Cross multiply
    29,415.72x = 44,110.80 × 10,689.54
  4. Step 4: Simplify right side
    29,415.72x = 471,524,161.03
  5. Step 5: Solve for x
    x = 471,524,161.03/29,415.72
  6. Step 6: Final answer
    x = 16,029.67

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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.