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Finding the Fourth Proportional to 32,479.80, 48,682.77 and 13,748.13

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Solution

The fourth proportional to 32,479.80, 48,682.77 and 13,748.13 is: 20,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.80 : 48,682.77 = 13,748.13 : x
  2. Step 2: Convert to fraction form
    32,479.80/48,682.77 = 13,748.13/x
  3. Step 3: Cross multiply
    32,479.80x = 48,682.77 × 13,748.13
  4. Step 4: Simplify right side
    32,479.80x = 669,297,050.72
  5. Step 5: Solve for x
    x = 669,297,050.72/32,479.80
  6. Step 6: Final answer
    x = 20,606.56

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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.