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Finding the Fourth Proportional to 51,091.44, 76,415.22 and 29,981.22

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Solution

The fourth proportional to 51,091.44, 76,415.22 and 29,981.22 is: 44,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.44 : 76,415.22 = 29,981.22 : x
  2. Step 2: Convert to fraction form
    51,091.44/76,415.22 = 29,981.22/x
  3. Step 3: Cross multiply
    51,091.44x = 76,415.22 × 29,981.22
  4. Step 4: Simplify right side
    51,091.44x = 2,291,021,522.17
  5. Step 5: Solve for x
    x = 2,291,021,522.17/51,091.44
  6. Step 6: Final answer
    x = 44,841.59

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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.