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Finding the Fourth Proportional to 32,625.60, 48,808.80 and 28,291.20

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Solution

The fourth proportional to 32,625.60, 48,808.80 and 28,291.20 is: 42,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,625.60 : 48,808.80 = 28,291.20 : x
  2. Step 2: Convert to fraction form
    32,625.60/48,808.80 = 28,291.20/x
  3. Step 3: Cross multiply
    32,625.60x = 48,808.80 × 28,291.20
  4. Step 4: Simplify right side
    32,625.60x = 1,380,859,522.56
  5. Step 5: Solve for x
    x = 1,380,859,522.56/32,625.60
  6. Step 6: Final answer
    x = 42,324.42

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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.