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Finding the Fourth Proportional to 16,172.80, 24,263.68 and 6,936.32

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Solution

The fourth proportional to 16,172.80, 24,263.68 and 6,936.32 is: 10,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.80 : 24,263.68 = 6,936.32 : x
  2. Step 2: Convert to fraction form
    16,172.80/24,263.68 = 6,936.32/x
  3. Step 3: Cross multiply
    16,172.80x = 24,263.68 × 6,936.32
  4. Step 4: Simplify right side
    16,172.80x = 168,300,648.86
  5. Step 5: Solve for x
    x = 168,300,648.86/16,172.80
  6. Step 6: Final answer
    x = 10,406.40

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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.