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Finding the Fourth Proportional to 5,776.54, 8,662.87 and 1,880.03

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Solution

The fourth proportional to 5,776.54, 8,662.87 and 1,880.03 is: 2,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.54 : 8,662.87 = 1,880.03 : x
  2. Step 2: Convert to fraction form
    5,776.54/8,662.87 = 1,880.03/x
  3. Step 3: Cross multiply
    5,776.54x = 8,662.87 × 1,880.03
  4. Step 4: Simplify right side
    5,776.54x = 16,286,455.49
  5. Step 5: Solve for x
    x = 16,286,455.49/5,776.54
  6. Step 6: Final answer
    x = 2,819.41

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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.