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Finding the Fourth Proportional to 14,101.62, 21,162 and 7,532.52

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Solution

The fourth proportional to 14,101.62, 21,162 and 7,532.52 is: 11,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.62 : 21,162 = 7,532.52 : x
  2. Step 2: Convert to fraction form
    14,101.62/21,162 = 7,532.52/x
  3. Step 3: Cross multiply
    14,101.62x = 21,162 × 7,532.52
  4. Step 4: Simplify right side
    14,101.62x = 159,403,188.24
  5. Step 5: Solve for x
    x = 159,403,188.24/14,101.62
  6. Step 6: Final answer
    x = 11,303.89

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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.