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Finding the Fourth Proportional to 16,486.22, 24,754.03 and 14,271.88

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Solution

The fourth proportional to 16,486.22, 24,754.03 and 14,271.88 is: 21,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.22 : 24,754.03 = 14,271.88 : x
  2. Step 2: Convert to fraction form
    16,486.22/24,754.03 = 14,271.88/x
  3. Step 3: Cross multiply
    16,486.22x = 24,754.03 × 14,271.88
  4. Step 4: Simplify right side
    16,486.22x = 353,286,448.11
  5. Step 5: Solve for x
    x = 353,286,448.11/16,486.22
  6. Step 6: Final answer
    x = 21,429.20

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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.