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Finding the Fourth Proportional to 32,612.52, 48,920.46 and 12,621.96

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Solution

The fourth proportional to 32,612.52, 48,920.46 and 12,621.96 is: 18,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.52 : 48,920.46 = 12,621.96 : x
  2. Step 2: Convert to fraction form
    32,612.52/48,920.46 = 12,621.96/x
  3. Step 3: Cross multiply
    32,612.52x = 48,920.46 × 12,621.96
  4. Step 4: Simplify right side
    32,612.52x = 617,472,089.30
  5. Step 5: Solve for x
    x = 617,472,089.30/32,612.52
  6. Step 6: Final answer
    x = 18,933.59

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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.