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Finding the Fourth Proportional to 5,809.11, 8,017.89 and 3,572.94

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Solution

The fourth proportional to 5,809.11, 8,017.89 and 3,572.94 is: 4,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.11 : 8,017.89 = 3,572.94 : x
  2. Step 2: Convert to fraction form
    5,809.11/8,017.89 = 3,572.94/x
  3. Step 3: Cross multiply
    5,809.11x = 8,017.89 × 3,572.94
  4. Step 4: Simplify right side
    5,809.11x = 28,647,439.90
  5. Step 5: Solve for x
    x = 28,647,439.90/5,809.11
  6. Step 6: Final answer
    x = 4,931.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.