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Finding the Fourth Proportional to 75,489.58, 104,176.94 and 41,499.50

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Solution

The fourth proportional to 75,489.58, 104,176.94 and 41,499.50 is: 57,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,489.58 : 104,176.94 = 41,499.50 : x
  2. Step 2: Convert to fraction form
    75,489.58/104,176.94 = 41,499.50/x
  3. Step 3: Cross multiply
    75,489.58x = 104,176.94 × 41,499.50
  4. Step 4: Simplify right side
    75,489.58x = 4,323,290,453.59
  5. Step 5: Solve for x
    x = 4,323,290,453.59/75,489.58
  6. Step 6: Final answer
    x = 57,270.03

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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.