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Finding the Fourth Proportional to 5,660.33, 8,490.49 and 4,819.58

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Solution

The fourth proportional to 5,660.33, 8,490.49 and 4,819.58 is: 7,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.33 : 8,490.49 = 4,819.58 : x
  2. Step 2: Convert to fraction form
    5,660.33/8,490.49 = 4,819.58/x
  3. Step 3: Cross multiply
    5,660.33x = 8,490.49 × 4,819.58
  4. Step 4: Simplify right side
    5,660.33x = 40,920,549.25
  5. Step 5: Solve for x
    x = 40,920,549.25/5,660.33
  6. Step 6: Final answer
    x = 7,229.36

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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.