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Finding the Fourth Proportional to 32,581.50, 48,872.82 and 12,859.92

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Solution

The fourth proportional to 32,581.50, 48,872.82 and 12,859.92 is: 19,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,581.50 : 48,872.82 = 12,859.92 : x
  2. Step 2: Convert to fraction form
    32,581.50/48,872.82 = 12,859.92/x
  3. Step 3: Cross multiply
    32,581.50x = 48,872.82 × 12,859.92
  4. Step 4: Simplify right side
    32,581.50x = 628,500,555.37
  5. Step 5: Solve for x
    x = 628,500,555.37/32,581.50
  6. Step 6: Final answer
    x = 19,290.10

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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.