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Finding the Fourth Proportional to 5,772.30, 8,658.90 and 1,612.33

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Solution

The fourth proportional to 5,772.30, 8,658.90 and 1,612.33 is: 2,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.30 : 8,658.90 = 1,612.33 : x
  2. Step 2: Convert to fraction form
    5,772.30/8,658.90 = 1,612.33/x
  3. Step 3: Cross multiply
    5,772.30x = 8,658.90 × 1,612.33
  4. Step 4: Simplify right side
    5,772.30x = 13,961,004.24
  5. Step 5: Solve for x
    x = 13,961,004.24/5,772.30
  6. Step 6: Final answer
    x = 2,418.62

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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.