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Finding the Fourth Proportional to 79,877.50, 119,805.84 and 23,716.48

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Solution

The fourth proportional to 79,877.50, 119,805.84 and 23,716.48 is: 35,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,877.50 : 119,805.84 = 23,716.48 : x
  2. Step 2: Convert to fraction form
    79,877.50/119,805.84 = 23,716.48/x
  3. Step 3: Cross multiply
    79,877.50x = 119,805.84 × 23,716.48
  4. Step 4: Simplify right side
    79,877.50x = 2,841,372,808.24
  5. Step 5: Solve for x
    x = 2,841,372,808.24/79,877.50
  6. Step 6: Final answer
    x = 35,571.63

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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.