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Finding the Fourth Proportional to 14,682.88, 22,008.96 and 5,905.60

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Solution

The fourth proportional to 14,682.88, 22,008.96 and 5,905.60 is: 8,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.88 : 22,008.96 = 5,905.60 : x
  2. Step 2: Convert to fraction form
    14,682.88/22,008.96 = 5,905.60/x
  3. Step 3: Cross multiply
    14,682.88x = 22,008.96 × 5,905.60
  4. Step 4: Simplify right side
    14,682.88x = 129,976,114.18
  5. Step 5: Solve for x
    x = 129,976,114.18/14,682.88
  6. Step 6: Final answer
    x = 8,852.22

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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.