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Finding the Fourth Proportional to 14,672.58, 21,984.03 and 10,491.36

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Solution

The fourth proportional to 14,672.58, 21,984.03 and 10,491.36 is: 15,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.58 : 21,984.03 = 10,491.36 : x
  2. Step 2: Convert to fraction form
    14,672.58/21,984.03 = 10,491.36/x
  3. Step 3: Cross multiply
    14,672.58x = 21,984.03 × 10,491.36
  4. Step 4: Simplify right side
    14,672.58x = 230,642,372.98
  5. Step 5: Solve for x
    x = 230,642,372.98/14,672.58
  6. Step 6: Final answer
    x = 15,719.28

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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.