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Finding the Fourth Proportional to 75,059.86, 112,572.09 and 27,649.21

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Solution

The fourth proportional to 75,059.86, 112,572.09 and 27,649.21 is: 41,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,059.86 : 112,572.09 = 27,649.21 : x
  2. Step 2: Convert to fraction form
    75,059.86/112,572.09 = 27,649.21/x
  3. Step 3: Cross multiply
    75,059.86x = 112,572.09 × 27,649.21
  4. Step 4: Simplify right side
    75,059.86x = 3,112,528,793.69
  5. Step 5: Solve for x
    x = 3,112,528,793.69/75,059.86
  6. Step 6: Final answer
    x = 41,467.29

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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.