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Finding the Fourth Proportional to 10,450.92, 15,654.42 and 8,483.16

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Solution

The fourth proportional to 10,450.92, 15,654.42 and 8,483.16 is: 12,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.92 : 15,654.42 = 8,483.16 : x
  2. Step 2: Convert to fraction form
    10,450.92/15,654.42 = 8,483.16/x
  3. Step 3: Cross multiply
    10,450.92x = 15,654.42 × 8,483.16
  4. Step 4: Simplify right side
    10,450.92x = 132,798,949.57
  5. Step 5: Solve for x
    x = 132,798,949.57/10,450.92
  6. Step 6: Final answer
    x = 12,706.91

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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.