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Finding the Fourth Proportional to 16,372.40, 24,558 and 4,685.60

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Solution

The fourth proportional to 16,372.40, 24,558 and 4,685.60 is: 7,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.40 : 24,558 = 4,685.60 : x
  2. Step 2: Convert to fraction form
    16,372.40/24,558 = 4,685.60/x
  3. Step 3: Cross multiply
    16,372.40x = 24,558 × 4,685.60
  4. Step 4: Simplify right side
    16,372.40x = 115,068,964.80
  5. Step 5: Solve for x
    x = 115,068,964.80/16,372.40
  6. Step 6: Final answer
    x = 7,028.23

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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.