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Finding the Fourth Proportional to 5,678.97, 8,519.96 and 4,045.87

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Solution

The fourth proportional to 5,678.97, 8,519.96 and 4,045.87 is: 6,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.97 : 8,519.96 = 4,045.87 : x
  2. Step 2: Convert to fraction form
    5,678.97/8,519.96 = 4,045.87/x
  3. Step 3: Cross multiply
    5,678.97x = 8,519.96 × 4,045.87
  4. Step 4: Simplify right side
    5,678.97x = 34,470,650.57
  5. Step 5: Solve for x
    x = 34,470,650.57/5,678.97
  6. Step 6: Final answer
    x = 6,069.88

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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.