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Finding the Fourth Proportional to 16,640.73, 24,960.62 and 4,328.73

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Solution

The fourth proportional to 16,640.73, 24,960.62 and 4,328.73 is: 6,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.73 : 24,960.62 = 4,328.73 : x
  2. Step 2: Convert to fraction form
    16,640.73/24,960.62 = 4,328.73/x
  3. Step 3: Cross multiply
    16,640.73x = 24,960.62 × 4,328.73
  4. Step 4: Simplify right side
    16,640.73x = 108,047,762.97
  5. Step 5: Solve for x
    x = 108,047,762.97/16,640.73
  6. Step 6: Final answer
    x = 6,492.97

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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.