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Finding the Fourth Proportional to 76,992.46, 115,491.94 and 24,400.78

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Solution

The fourth proportional to 76,992.46, 115,491.94 and 24,400.78 is: 36,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,992.46 : 115,491.94 = 24,400.78 : x
  2. Step 2: Convert to fraction form
    76,992.46/115,491.94 = 24,400.78/x
  3. Step 3: Cross multiply
    76,992.46x = 115,491.94 × 24,400.78
  4. Step 4: Simplify right side
    76,992.46x = 2,818,093,419.71
  5. Step 5: Solve for x
    x = 2,818,093,419.71/76,992.46
  6. Step 6: Final answer
    x = 36,602.20

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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.