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Finding the Fourth Proportional to 32,489.83, 48,734.71 and 12,230.37

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Solution

The fourth proportional to 32,489.83, 48,734.71 and 12,230.37 is: 18,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,489.83 : 48,734.71 = 12,230.37 : x
  2. Step 2: Convert to fraction form
    32,489.83/48,734.71 = 12,230.37/x
  3. Step 3: Cross multiply
    32,489.83x = 48,734.71 × 12,230.37
  4. Step 4: Simplify right side
    32,489.83x = 596,043,535.14
  5. Step 5: Solve for x
    x = 596,043,535.14/32,489.83
  6. Step 6: Final answer
    x = 18,345.54

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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.