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Finding the Fourth Proportional to 72,577.99, 108,902.65 and 32,625.20

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Solution

The fourth proportional to 72,577.99, 108,902.65 and 32,625.20 is: 48,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577.99 : 108,902.65 = 32,625.20 : x
  2. Step 2: Convert to fraction form
    72,577.99/108,902.65 = 32,625.20/x
  3. Step 3: Cross multiply
    72,577.99x = 108,902.65 × 32,625.20
  4. Step 4: Simplify right side
    72,577.99x = 3,552,970,818.34
  5. Step 5: Solve for x
    x = 3,552,970,818.34/72,577.99
  6. Step 6: Final answer
    x = 48,953.83

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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.