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Finding the Fourth Proportional to 76,003.70, 104,955.09 and 50,926.10

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Solution

The fourth proportional to 76,003.70, 104,955.09 and 50,926.10 is: 70,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,003.70 : 104,955.09 = 50,926.10 : x
  2. Step 2: Convert to fraction form
    76,003.70/104,955.09 = 50,926.10/x
  3. Step 3: Cross multiply
    76,003.70x = 104,955.09 × 50,926.10
  4. Step 4: Simplify right side
    76,003.70x = 5,344,953,408.85
  5. Step 5: Solve for x
    x = 5,344,953,408.85/76,003.70
  6. Step 6: Final answer
    x = 70,324.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.