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Finding the Fourth Proportional to 72,591.59, 108,887.19 and 47,625.67

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Solution

The fourth proportional to 72,591.59, 108,887.19 and 47,625.67 is: 71,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591.59 : 108,887.19 = 47,625.67 : x
  2. Step 2: Convert to fraction form
    72,591.59/108,887.19 = 47,625.67/x
  3. Step 3: Cross multiply
    72,591.59x = 108,887.19 × 47,625.67
  4. Step 4: Simplify right side
    72,591.59x = 5,185,825,335.68
  5. Step 5: Solve for x
    x = 5,185,825,335.68/72,591.59
  6. Step 6: Final answer
    x = 71,438.37

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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.