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Finding the Fourth Proportional to 69,923.76, 104,900.87 and 25,550.44

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Solution

The fourth proportional to 69,923.76, 104,900.87 and 25,550.44 is: 38,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923.76 : 104,900.87 = 25,550.44 : x
  2. Step 2: Convert to fraction form
    69,923.76/104,900.87 = 25,550.44/x
  3. Step 3: Cross multiply
    69,923.76x = 104,900.87 × 25,550.44
  4. Step 4: Simplify right side
    69,923.76x = 2,680,263,186.51
  5. Step 5: Solve for x
    x = 2,680,263,186.51/69,923.76
  6. Step 6: Final answer
    x = 38,331.22

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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.