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Finding the Fourth Proportional to 76,889.45, 115,260.37 and 24,262.94

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Solution

The fourth proportional to 76,889.45, 115,260.37 and 24,262.94 is: 36,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,889.45 : 115,260.37 = 24,262.94 : x
  2. Step 2: Convert to fraction form
    76,889.45/115,260.37 = 24,262.94/x
  3. Step 3: Cross multiply
    76,889.45x = 115,260.37 × 24,262.94
  4. Step 4: Simplify right side
    76,889.45x = 2,796,555,669.18
  5. Step 5: Solve for x
    x = 2,796,555,669.18/76,889.45
  6. Step 6: Final answer
    x = 36,371.12

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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.