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Finding the Fourth Proportional to 32,079.76, 48,129.36 and 14,544.88

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Solution

The fourth proportional to 32,079.76, 48,129.36 and 14,544.88 is: 21,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.76 : 48,129.36 = 14,544.88 : x
  2. Step 2: Convert to fraction form
    32,079.76/48,129.36 = 14,544.88/x
  3. Step 3: Cross multiply
    32,079.76x = 48,129.36 × 14,544.88
  4. Step 4: Simplify right side
    32,079.76x = 700,035,765.68
  5. Step 5: Solve for x
    x = 700,035,765.68/32,079.76
  6. Step 6: Final answer
    x = 21,821.73

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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.