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Finding the Fourth Proportional to 48,059.99, 71,989.46 and 38,649.05

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Solution

The fourth proportional to 48,059.99, 71,989.46 and 38,649.05 is: 57,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,059.99 : 71,989.46 = 38,649.05 : x
  2. Step 2: Convert to fraction form
    48,059.99/71,989.46 = 38,649.05/x
  3. Step 3: Cross multiply
    48,059.99x = 71,989.46 × 38,649.05
  4. Step 4: Simplify right side
    48,059.99x = 2,782,324,045.77
  5. Step 5: Solve for x
    x = 2,782,324,045.77/48,059.99
  6. Step 6: Final answer
    x = 57,892.73

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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.