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Finding the Fourth Proportional to 32,418.71, 48,649.94 and 12,694.80

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Solution

The fourth proportional to 32,418.71, 48,649.94 and 12,694.80 is: 19,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.71 : 48,649.94 = 12,694.80 : x
  2. Step 2: Convert to fraction form
    32,418.71/48,649.94 = 12,694.80/x
  3. Step 3: Cross multiply
    32,418.71x = 48,649.94 × 12,694.80
  4. Step 4: Simplify right side
    32,418.71x = 617,601,258.31
  5. Step 5: Solve for x
    x = 617,601,258.31/32,418.71
  6. Step 6: Final answer
    x = 19,050.77

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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.