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Finding the Fourth Proportional to 55,584.70, 76,706.80 and 30,090.94

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Solution

The fourth proportional to 55,584.70, 76,706.80 and 30,090.94 is: 41,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,584.70 : 76,706.80 = 30,090.94 : x
  2. Step 2: Convert to fraction form
    55,584.70/76,706.80 = 30,090.94/x
  3. Step 3: Cross multiply
    55,584.70x = 76,706.80 × 30,090.94
  4. Step 4: Simplify right side
    55,584.70x = 2,308,179,716.39
  5. Step 5: Solve for x
    x = 2,308,179,716.39/55,584.70
  6. Step 6: Final answer
    x = 41,525.45

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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.