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Finding the Fourth Proportional to 32,650.60, 48,994.36 and 13,928.87

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Solution

The fourth proportional to 32,650.60, 48,994.36 and 13,928.87 is: 20,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,650.60 : 48,994.36 = 13,928.87 : x
  2. Step 2: Convert to fraction form
    32,650.60/48,994.36 = 13,928.87/x
  3. Step 3: Cross multiply
    32,650.60x = 48,994.36 × 13,928.87
  4. Step 4: Simplify right side
    32,650.60x = 682,435,756.56
  5. Step 5: Solve for x
    x = 682,435,756.56/32,650.60
  6. Step 6: Final answer
    x = 20,901.17

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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.