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Finding the Fourth Proportional to 14,448.66, 21,672.18 and 5,089.11

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Solution

The fourth proportional to 14,448.66, 21,672.18 and 5,089.11 is: 7,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.66 : 21,672.18 = 5,089.11 : x
  2. Step 2: Convert to fraction form
    14,448.66/21,672.18 = 5,089.11/x
  3. Step 3: Cross multiply
    14,448.66x = 21,672.18 × 5,089.11
  4. Step 4: Simplify right side
    14,448.66x = 110,292,107.96
  5. Step 5: Solve for x
    x = 110,292,107.96/14,448.66
  6. Step 6: Final answer
    x = 7,633.38

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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.