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Finding the Fourth Proportional to 32,360, 44,655.72 and 18,212

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Solution

The fourth proportional to 32,360, 44,655.72 and 18,212 is: 25,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,360 : 44,655.72 = 18,212 : x
  2. Step 2: Convert to fraction form
    32,360/44,655.72 = 18,212/x
  3. Step 3: Cross multiply
    32,360x = 44,655.72 × 18,212
  4. Step 4: Simplify right side
    32,360x = 813,269,972.64
  5. Step 5: Solve for x
    x = 813,269,972.64/32,360
  6. Step 6: Final answer
    x = 25,131.95

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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.