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Finding the Fourth Proportional to 32,379.98, 44,678.43 and 18,039.44

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Solution

The fourth proportional to 32,379.98, 44,678.43 and 18,039.44 is: 24,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.98 : 44,678.43 = 18,039.44 : x
  2. Step 2: Convert to fraction form
    32,379.98/44,678.43 = 18,039.44/x
  3. Step 3: Cross multiply
    32,379.98x = 44,678.43 × 18,039.44
  4. Step 4: Simplify right side
    32,379.98x = 805,973,633.89
  5. Step 5: Solve for x
    x = 805,973,633.89/32,379.98
  6. Step 6: Final answer
    x = 24,891.11

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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.