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Finding the Fourth Proportional to 72,591.76, 108,903.03 and 25,844.50

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Solution

The fourth proportional to 72,591.76, 108,903.03 and 25,844.50 is: 38,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591.76 : 108,903.03 = 25,844.50 : x
  2. Step 2: Convert to fraction form
    72,591.76/108,903.03 = 25,844.50/x
  3. Step 3: Cross multiply
    72,591.76x = 108,903.03 × 25,844.50
  4. Step 4: Simplify right side
    72,591.76x = 2,814,544,358.84
  5. Step 5: Solve for x
    x = 2,814,544,358.84/72,591.76
  6. Step 6: Final answer
    x = 38,772.23

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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.