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Finding the Fourth Proportional to 14,553.60, 21,830.40 and 4,023.60

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Solution

The fourth proportional to 14,553.60, 21,830.40 and 4,023.60 is: 6,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.60 : 21,830.40 = 4,023.60 : x
  2. Step 2: Convert to fraction form
    14,553.60/21,830.40 = 4,023.60/x
  3. Step 3: Cross multiply
    14,553.60x = 21,830.40 × 4,023.60
  4. Step 4: Simplify right side
    14,553.60x = 87,836,797.44
  5. Step 5: Solve for x
    x = 87,836,797.44/14,553.60
  6. Step 6: Final answer
    x = 6,035.40

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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.