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Finding the Fourth Proportional to 16,443.04, 24,640.24 and 8,628.16

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Solution

The fourth proportional to 16,443.04, 24,640.24 and 8,628.16 is: 12,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,443.04 : 24,640.24 = 8,628.16 : x
  2. Step 2: Convert to fraction form
    16,443.04/24,640.24 = 8,628.16/x
  3. Step 3: Cross multiply
    16,443.04x = 24,640.24 × 8,628.16
  4. Step 4: Simplify right side
    16,443.04x = 212,599,933.16
  5. Step 5: Solve for x
    x = 212,599,933.16/16,443.04
  6. Step 6: Final answer
    x = 12,929.48

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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.