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Finding the Fourth Proportional to 72,577.10, 108,800.04 and 25,819.04

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Solution

The fourth proportional to 72,577.10, 108,800.04 and 25,819.04 is: 38,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577.10 : 108,800.04 = 25,819.04 : x
  2. Step 2: Convert to fraction form
    72,577.10/108,800.04 = 25,819.04/x
  3. Step 3: Cross multiply
    72,577.10x = 108,800.04 × 25,819.04
  4. Step 4: Simplify right side
    72,577.10x = 2,809,112,584.76
  5. Step 5: Solve for x
    x = 2,809,112,584.76/72,577.10
  6. Step 6: Final answer
    x = 38,705.22

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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.