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Finding the Fourth Proportional to 21,554.37, 32,321.12 and 7,514.06

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Solution

The fourth proportional to 21,554.37, 32,321.12 and 7,514.06 is: 11,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.37 : 32,321.12 = 7,514.06 : x
  2. Step 2: Convert to fraction form
    21,554.37/32,321.12 = 7,514.06/x
  3. Step 3: Cross multiply
    21,554.37x = 32,321.12 × 7,514.06
  4. Step 4: Simplify right side
    21,554.37x = 242,862,635.77
  5. Step 5: Solve for x
    x = 242,862,635.77/21,554.37
  6. Step 6: Final answer
    x = 11,267.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.