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Finding the Fourth Proportional to 4,880.92, 7,321.68 and 1,592.68

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Solution

The fourth proportional to 4,880.92, 7,321.68 and 1,592.68 is: 2,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.92 : 7,321.68 = 1,592.68 : x
  2. Step 2: Convert to fraction form
    4,880.92/7,321.68 = 1,592.68/x
  3. Step 3: Cross multiply
    4,880.92x = 7,321.68 × 1,592.68
  4. Step 4: Simplify right side
    4,880.92x = 11,661,093.30
  5. Step 5: Solve for x
    x = 11,661,093.30/4,880.92
  6. Step 6: Final answer
    x = 2,389.12

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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.