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Finding the Fourth Proportional to 32,643.96, 48,994.44 and 18,632.04

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Solution

The fourth proportional to 32,643.96, 48,994.44 and 18,632.04 is: 27,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,643.96 : 48,994.44 = 18,632.04 : x
  2. Step 2: Convert to fraction form
    32,643.96/48,994.44 = 18,632.04/x
  3. Step 3: Cross multiply
    32,643.96x = 48,994.44 × 18,632.04
  4. Step 4: Simplify right side
    32,643.96x = 912,866,365.86
  5. Step 5: Solve for x
    x = 912,866,365.86/32,643.96
  6. Step 6: Final answer
    x = 27,964.33

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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.