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Finding the Fourth Proportional to 72,193.14, 108,263.79 and 27,797.58

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Solution

The fourth proportional to 72,193.14, 108,263.79 and 27,797.58 is: 41,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,193.14 : 108,263.79 = 27,797.58 : x
  2. Step 2: Convert to fraction form
    72,193.14/108,263.79 = 27,797.58/x
  3. Step 3: Cross multiply
    72,193.14x = 108,263.79 × 27,797.58
  4. Step 4: Simplify right side
    72,193.14x = 3,009,471,363.63
  5. Step 5: Solve for x
    x = 3,009,471,363.63/72,193.14
  6. Step 6: Final answer
    x = 41,686.39

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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.