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Finding the Fourth Proportional to 73,685.70, 101,605.68 and 49,770.84

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Solution

The fourth proportional to 73,685.70, 101,605.68 and 49,770.84 is: 68,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685.70 : 101,605.68 = 49,770.84 : x
  2. Step 2: Convert to fraction form
    73,685.70/101,605.68 = 49,770.84/x
  3. Step 3: Cross multiply
    73,685.70x = 101,605.68 × 49,770.84
  4. Step 4: Simplify right side
    73,685.70x = 5,057,000,042.37
  5. Step 5: Solve for x
    x = 5,057,000,042.37/73,685.70
  6. Step 6: Final answer
    x = 68,629.33

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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.