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Finding the Fourth Proportional to 5,662.18, 8,489.95 and 1,712.26

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Solution

The fourth proportional to 5,662.18, 8,489.95 and 1,712.26 is: 2,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.18 : 8,489.95 = 1,712.26 : x
  2. Step 2: Convert to fraction form
    5,662.18/8,489.95 = 1,712.26/x
  3. Step 3: Cross multiply
    5,662.18x = 8,489.95 × 1,712.26
  4. Step 4: Simplify right side
    5,662.18x = 14,536,976.28
  5. Step 5: Solve for x
    x = 14,536,976.28/5,662.18
  6. Step 6: Final answer
    x = 2,567.38

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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.