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Finding the Fourth Proportional to 77,446.95, 115,983.30 and 44,065.89

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Solution

The fourth proportional to 77,446.95, 115,983.30 and 44,065.89 is: 65,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,446.95 : 115,983.30 = 44,065.89 : x
  2. Step 2: Convert to fraction form
    77,446.95/115,983.30 = 44,065.89/x
  3. Step 3: Cross multiply
    77,446.95x = 115,983.30 × 44,065.89
  4. Step 4: Simplify right side
    77,446.95x = 5,110,907,504.88
  5. Step 5: Solve for x
    x = 5,110,907,504.88/77,446.95
  6. Step 6: Final answer
    x = 65,992.37

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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.