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Finding the Fourth Proportional to 14,435.01, 21,654.79 and 5,549.99

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Solution

The fourth proportional to 14,435.01, 21,654.79 and 5,549.99 is: 8,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.01 : 21,654.79 = 5,549.99 : x
  2. Step 2: Convert to fraction form
    14,435.01/21,654.79 = 5,549.99/x
  3. Step 3: Cross multiply
    14,435.01x = 21,654.79 × 5,549.99
  4. Step 4: Simplify right side
    14,435.01x = 120,183,745.80
  5. Step 5: Solve for x
    x = 120,183,745.80/14,435.01
  6. Step 6: Final answer
    x = 8,325.85

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1.5x scale

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.