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Finding the Fourth Proportional to 16,172.99, 24,259.48 and 4,486.21

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Solution

The fourth proportional to 16,172.99, 24,259.48 and 4,486.21 is: 6,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.99 : 24,259.48 = 4,486.21 : x
  2. Step 2: Convert to fraction form
    16,172.99/24,259.48 = 4,486.21/x
  3. Step 3: Cross multiply
    16,172.99x = 24,259.48 × 4,486.21
  4. Step 4: Simplify right side
    16,172.99x = 108,832,978.04
  5. Step 5: Solve for x
    x = 108,832,978.04/16,172.99
  6. Step 6: Final answer
    x = 6,729.31

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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.