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Finding the Fourth Proportional to 32,479.13, 44,821.20 and 19,903.88

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Solution

The fourth proportional to 32,479.13, 44,821.20 and 19,903.88 is: 27,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.13 : 44,821.20 = 19,903.88 : x
  2. Step 2: Convert to fraction form
    32,479.13/44,821.20 = 19,903.88/x
  3. Step 3: Cross multiply
    32,479.13x = 44,821.20 × 19,903.88
  4. Step 4: Simplify right side
    32,479.13x = 892,115,562.15
  5. Step 5: Solve for x
    x = 892,115,562.15/32,479.13
  6. Step 6: Final answer
    x = 27,467.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.