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Finding the Fourth Proportional to 5,605.98, 8,411.81 and 2,321.43

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Solution

The fourth proportional to 5,605.98, 8,411.81 and 2,321.43 is: 3,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.98 : 8,411.81 = 2,321.43 : x
  2. Step 2: Convert to fraction form
    5,605.98/8,411.81 = 2,321.43/x
  3. Step 3: Cross multiply
    5,605.98x = 8,411.81 × 2,321.43
  4. Step 4: Simplify right side
    5,605.98x = 19,527,416.48
  5. Step 5: Solve for x
    x = 19,527,416.48/5,605.98
  6. Step 6: Final answer
    x = 3,483.32

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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.