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Finding the Fourth Proportional to 32,398.73, 48,604.68 and 12,406.80

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Solution

The fourth proportional to 32,398.73, 48,604.68 and 12,406.80 is: 18,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,398.73 : 48,604.68 = 12,406.80 : x
  2. Step 2: Convert to fraction form
    32,398.73/48,604.68 = 12,406.80/x
  3. Step 3: Cross multiply
    32,398.73x = 48,604.68 × 12,406.80
  4. Step 4: Simplify right side
    32,398.73x = 603,028,543.82
  5. Step 5: Solve for x
    x = 603,028,543.82/32,398.73
  6. Step 6: Final answer
    x = 18,612.72

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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.