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Finding the Fourth Proportional to 75,057.44, 103,578.35 and 41,065.44

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Solution

The fourth proportional to 75,057.44, 103,578.35 and 41,065.44 is: 56,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,057.44 : 103,578.35 = 41,065.44 : x
  2. Step 2: Convert to fraction form
    75,057.44/103,578.35 = 41,065.44/x
  3. Step 3: Cross multiply
    75,057.44x = 103,578.35 × 41,065.44
  4. Step 4: Simplify right side
    75,057.44x = 4,253,490,322.59
  5. Step 5: Solve for x
    x = 4,253,490,322.59/75,057.44
  6. Step 6: Final answer
    x = 56,669.80

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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.