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Finding the Fourth Proportional to 32,482.80, 48,687.27 and 13,751.13

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Solution

The fourth proportional to 32,482.80, 48,687.27 and 13,751.13 is: 20,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,482.80 : 48,687.27 = 13,751.13 : x
  2. Step 2: Convert to fraction form
    32,482.80/48,687.27 = 13,751.13/x
  3. Step 3: Cross multiply
    32,482.80x = 48,687.27 × 13,751.13
  4. Step 4: Simplify right side
    32,482.80x = 669,504,979.12
  5. Step 5: Solve for x
    x = 669,504,979.12/32,482.80
  6. Step 6: Final answer
    x = 20,611.06

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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.